40 belated birthday wishes for coworkers
Missed a colleague's birthday? Say sorry in a sentence, then tell them why they matter, with late wishes for the team chat, a work best friend or a card the whole team signs.
Updated November 2026 · Original, free to use
40 wishes
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I completely missed your birthday, Sam, and I am sorry. Hope it was a great day and the start of an even better year.
Apologetic · Coworkers
I completely missed your birthday, Sam, and I am sorry. Hope it was a great day and the start of an even better year.
Belated birthday · Short · 24 words
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S Sam
Late to the party as usual, but here with real wishes: happy birthday, Sam!
9:00 ✓✓
Apologetic · Coworkers
Late to the party as usual, but here with real wishes: happy birthday, Sam!
Belated birthday · Short · 14 words
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Just found out I missed your birthday, Sam
to Sam
Just found out I missed your birthday, Sam. Sorry! Coffee is on me this week to make up for it.
Apologetic · Coworkers
Just found out I missed your birthday, Sam. Sorry! Coffee is on me this week to make up for it.
Belated birthday · Short · 20 words
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S Sam
Sorry for the late wishes, Sam. It was not that I forgot you, it was that the week swallowed me whole. You are one of the people who make this job good, and I hope your birthday was every bit as kind to you.
Apologetic · Coworkers
Sorry for the late wishes, Sam. It was not that I forgot you, it was that the week swallowed me whole. You are one of the people who make this job good, and I hope your birthday was every bit as kind to you.
Belated birthday · Medium · 44 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 I owe you a happy birthday, Sam, and probably a pastry. Missing the day says everything about my inbox and nothing about how glad I am to work with you. Hope you celebrated in style.
Apologetic · Coworkers
I owe you a happy birthday, Sam, and probably a pastry. Missing the day says everything about my inbox and nothing about how glad I am to work with you. Hope you celebrated in style.
Belated birthday · Medium · 35 words
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Of all the birthdays to miss, yours was the worst one to miss, Sam, because you never forget anyone's. Sorry, and happy belated birthday. I hope the day was full of people as thoughtful as you are.
Apologetic · Coworkers
Of all the birthdays to miss, yours was the worst one to miss, Sam, because you never forget anyone's. Sorry, and happy belated birthday. I hope the day was full of people as thoughtful as you are.
Belated birthday · Medium · 37 words
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S Sam
I saw the photos from your birthday lunch and realized, with real horror, that I never sent you a message, Sam. I am sorry. You are the first person to remember everyone else's big days, the one who organizes the card and quietly collects for the cake, so the least I can do is tell you properly, even if late: happy birthday. This team would be a lot less warm without you, and I hope the year ahead looks after you.
9:00 ✓✓
Apologetic · Coworkers
I saw the photos from your birthday lunch and realized, with real horror, that I never sent you a message, Sam. I am sorry. You are the first person to remember everyone else's big days, the one who organizes the card and quietly collects for the cake, so the least I can do is tell you properly, even if late: happy birthday. This team would be a lot less warm without you, and I hope the year ahead looks after you.
Belated birthday · Long · 81 words
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Belated wishes, Sam, and a genuine apology to
to Sam
Belated wishes, Sam, and a genuine apology to go with them. I had your birthday on my list and still managed to let it pass, which is not a reflection of how much I value you. You have helped me out of more tight spots this year than I can count, and you always do it without making me feel like a burden. I hope your day was full of cake, laughter and people telling you how great you are. Consider this one more voice in that chorus.
Apologetic · Coworkers
Belated wishes, Sam, and a genuine apology to go with them. I had your birthday on my list and still managed to let it pass, which is not a reflection of how much I value you. You have helped me out of more tight spots this year than I can count, and you always do it without making me feel like a burden. I hope your day was full of cake, laughter and people telling you how great you are. Consider this one more voice in that chorus.
Belated birthday · Long · 88 words
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S Sam
Happy birthday, Sam! This message took the scenic route. 🐢
Funny · Coworkers
Happy birthday, Sam! This message took the scenic route. 🐢
Belated birthday · Short · 10 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 Your birthday wish was stuck in my drafts folder with three unfinished emails and a lunch order. Freed at last. Happy birthday, Sam!
Funny · Coworkers
Your birthday wish was stuck in my drafts folder with three unfinished emails and a lunch order. Freed at last. Happy birthday, Sam!
Belated birthday · Short · 23 words
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I prefer to think of it as extending your birthday week, Sam. You are welcome. Happy birthday!
Funny · Coworkers
I prefer to think of it as extending your birthday week, Sam. You are welcome. Happy birthday!
Belated birthday · Short · 17 words
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S Sam
Apparently your birthday was last week and nobody told my calendar, Sam. I have had words with it. Please accept this belated wish, a sincere apology and first pick from the biscuit tin for the rest of the month.
9:00 ✓✓
Funny · Coworkers
Apparently your birthday was last week and nobody told my calendar, Sam. I have had words with it. Please accept this belated wish, a sincere apology and first pick from the biscuit tin for the rest of the month.
Belated birthday · Medium · 39 words
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Good news, Sam: by sending this late, I have m
to Sam
Good news, Sam: by sending this late, I have made sure you get birthday wishes on a completely ordinary Tuesday, when you least expect them. This was totally the plan. Happy belated birthday!
Funny · Coworkers
Good news, Sam: by sending this late, I have made sure you get birthday wishes on a completely ordinary Tuesday, when you least expect them. This was totally the plan. Happy belated birthday!
Belated birthday · Medium · 33 words
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S Sam
Breaking: local coworker misses Sam's birthday, issues statement. “I am sorry,” they said. “I also think Sam is brilliant.” More soon.
Funny · Coworkers
Breaking: local coworker misses Sam's birthday, issues statement. “I am sorry,” they said. “I also think Sam is brilliant.” More soon.
Belated birthday · Short · 21 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 Dear Sam, I regret to inform you that your birthday message was delayed due to high meeting volume, a printer jam and my own disorganization. We apologize for any inconvenience. To make amends, this message comes with a free coffee, one afternoon of me not saying “quick question” and a promise to put your birthday in three separate calendars next year. Thank you for your patience. Happy birthday from your slightly late but deeply sincere colleague.
Funny · Coworkers
I regret to inform you that your birthday message was delayed due to high meeting volume, a printer jam and my own disorganization. We apologize for any inconvenience. To make amends, this message comes with a free coffee, one afternoon of me not saying “quick question” and a promise to put your birthday in three separate calendars next year. Thank you for your patience. Happy birthday from your slightly late but deeply sincere colleague.
Belated birthday · Long · 76 words
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You are my favorite part of this job, Sam, and I still missed your birthday. Sorry. Lunch is on me.
Heartfelt · Coworkers
You are my favorite part of this job, Sam, and I still missed your birthday. Sorry. Lunch is on me.
Belated birthday · Short · 20 words
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S Sam
No one at work deserves a punctual birthday wish more than you, Sam, and yet here we are. Happy birthday, friend.
9:00 ✓✓
Heartfelt · Coworkers
No one at work deserves a punctual birthday wish more than you, Sam, and yet here we are. Happy birthday, friend.
Belated birthday · Short · 21 words
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I cannot believe I missed your birthday, Sam,
to Sam
I cannot believe I missed your birthday, Sam, when you are the person I message about everything else. I am sorry. You make this place feel like somewhere I belong, and I hope your day felt that way too.
Heartfelt · Coworkers
I cannot believe I missed your birthday, Sam, when you are the person I message about everything else. I am sorry. You make this place feel like somewhere I belong, and I hope your day felt that way too.
Belated birthday · Medium · 39 words
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S Sam
My work best friend had a birthday and I was nowhere to be seen. Not my finest moment, Sam. Let me make it up to you with a long lunch and zero talk about the project. Happy belated birthday.
Heartfelt · Coworkers
My work best friend had a birthday and I was nowhere to be seen. Not my finest moment, Sam. Let me make it up to you with a long lunch and zero talk about the project. Happy belated birthday.
Belated birthday · Medium · 39 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 This is late, Sam, but the thank-you inside it has been building for months. You have listened to my rants, covered my calls and made me laugh on days I did not think I could. Happy birthday, and thank you for being my person here.
Heartfelt · Coworkers
This is late, Sam, but the thank-you inside it has been building for months. You have listened to my rants, covered my calls and made me laugh on days I did not think I could. Happy birthday, and thank you for being my person here.
Belated birthday · Medium · 45 words
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If birthdays were measured in how much someone means to me, yours would have been impossible to miss, Sam. And yet I did. I am sorry. You have been my sounding board through a hard year, the one who reads my emails before I hit send, the one who drags me out for fresh air when I have been staring at a screen too long. Happy birthday to the friend I did not expect to find at work. Coffee, cake and an apology are waiting at my desk.
Heartfelt · Coworkers
If birthdays were measured in how much someone means to me, yours would have been impossible to miss, Sam. And yet I did. I am sorry. You have been my sounding board through a hard year, the one who reads my emails before I hit send, the one who drags me out for fresh air when I have been staring at a screen too long. Happy birthday to the friend I did not expect to find at work. Coffee, cake and an apology are waiting at my desk.
Belated birthday · Long · 88 words
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S Sam
Happy belated birthday to the coworker who knows my coffee order, my meeting face and my opinion of every shared spreadsheet, Sam. I let the day slip, which is ridiculous, because you are one of the main reasons I like coming in. Thank you for every inside joke, every lunch that ran long and every time you said “you have got this” and meant it. Let us celebrate properly this week.
9:00 ✓✓
Heartfelt · Coworkers
Happy belated birthday to the coworker who knows my coffee order, my meeting face and my opinion of every shared spreadsheet, Sam. I let the day slip, which is ridiculous, because you are one of the main reasons I like coming in. Thank you for every inside joke, every lunch that ran long and every time you said “you have got this” and meant it. Let us celebrate properly this week.
Belated birthday · Long · 71 words
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Belated birthday wishes, Sam
to Sam
Belated birthday wishes, Sam. I hope you had a relaxing day and a great start to the year ahead. Thank you for always being so patient when my team comes to you with last-minute questions.
Professional · Coworkers
Belated birthday wishes, Sam. I hope you had a relaxing day and a great start to the year ahead. Thank you for always being so patient when my team comes to you with last-minute questions.
Belated birthday · Medium · 35 words
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S Sam
Many happy returns, Sam, with apologies for the delay. It is always a pleasure working with you.
Professional · Coworkers
Many happy returns, Sam, with apologies for the delay. It is always a pleasure working with you.
Belated birthday · Short · 17 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 I only just heard it was your birthday last week, Sam. Belated best wishes! Working with you on the rollout has been a pleasure, and I hope the year ahead is a rewarding one.
Professional · Coworkers
I only just heard it was your birthday last week, Sam. Belated best wishes! Working with you on the rollout has been a pleasure, and I hope the year ahead is a rewarding one.
Belated birthday · Medium · 34 words
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Please excuse the late message, Sam. I wanted to wish you a happy birthday and say thank you for being so easy to collaborate with across teams. Quick replies, clear notes and a friendly tone go a long way.
Professional · Coworkers
Please excuse the late message, Sam. I wanted to wish you a happy birthday and say thank you for being so easy to collaborate with across teams. Quick replies, clear notes and a friendly tone go a long way.
Belated birthday · Medium · 39 words
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S Sam
Even though we mostly cross paths in shared documents and the odd call, Sam, I did not want your birthday to pass without a note, even a late one. You are one of the most reliable people I work with at Acme. Your updates are clear, your deadlines are real and you are generous with your time when another team needs help. I hope your birthday was a good one and the months ahead bring interesting work and plenty of success.
9:00 ✓✓
Professional · Coworkers
Even though we mostly cross paths in shared documents and the odd call, Sam, I did not want your birthday to pass without a note, even a late one. You are one of the most reliable people I work with at Acme. Your updates are clear, your deadlines are real and you are generous with your time when another team needs help. I hope your birthday was a good one and the months ahead bring interesting work and plenty of success.
Belated birthday · Long · 81 words
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The whole team missed it and the whole team is
to Sam
The whole team missed it and the whole team is sorry. Happy belated birthday, Sam! 🎈
From the team · Coworkers
The whole team missed it and the whole team is sorry. Happy belated birthday, Sam! 🎈
Belated birthday · Short · 16 words
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S Sam
We were all so busy that your birthday slipped by unnoticed, Sam, which is not okay for someone who makes us all feel noticed. Happy belated birthday from your teammates. Cake is in the kitchen with your name on it.
From the team · Coworkers
We were all so busy that your birthday slipped by unnoticed, Sam, which is not okay for someone who makes us all feel noticed. Happy belated birthday from your teammates. Cake is in the kitchen with your name on it.
Belated birthday · Medium · 40 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 From everyone on the team: sorry we are late, Sam, and thank you for being the colleague who shares knowledge freely, makes newcomers feel welcome and keeps the group chat alive. Have a wonderful belated birthday.
From the team · Coworkers
From everyone on the team: sorry we are late, Sam, and thank you for being the colleague who shares knowledge freely, makes newcomers feel welcome and keeps the group chat alive. Have a wonderful belated birthday.
Belated birthday · Medium · 36 words
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A late but loving message from the whole team, Sam. We realized on Monday that your birthday came and went while we were all buried in the release, and we felt bad, because you would never let one of ours go unmarked. So here it is, from all of us: thank you for your patience, your excellent puns and your habit of helping before anyone asks. We are a better team with you on it.
From the team · Coworkers
A late but loving message from the whole team, Sam. We realized on Monday that your birthday came and went while we were all buried in the release, and we felt bad, because you would never let one of ours go unmarked. So here it is, from all of us: thank you for your patience, your excellent puns and your habit of helping before anyone asks. We are a better team with you on it.
Belated birthday · Long · 75 words
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S Sam
We tried to throw you a surprise birthday celebration, Sam, and it went so well that even we were surprised: it happened a week late. Sorry about that. What has not been late is our appreciation. Every person who signed this card had something to say about you, and nearly all of it was about how kind, funny and helpful you are. Happy belated birthday from your grateful teammates.
9:00 ✓✓
From the team · Coworkers
We tried to throw you a surprise birthday celebration, Sam, and it went so well that even we were surprised: it happened a week late. Sorry about that. What has not been late is our appreciation. Every person who signed this card had something to say about you, and nearly all of it was about how kind, funny and helpful you are. Happy belated birthday from your grateful teammates.
Belated birthday · Long · 69 words
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Belated birthday cheers, Sam
to Sam
Belated birthday cheers, Sam! Hope it was a great one. 🎉
Playful · Coworkers
Belated birthday cheers, Sam! Hope it was a great one. 🎉
Belated birthday · Short · 11 words
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S Sam
Late but loud: happy birthday, Sam!
Playful · Coworkers
Late but loud: happy birthday, Sam!
Belated birthday · Short · 6 words
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# celebrations
Peoplewisher APP 9:00 AM
🎉 Catching up on birthdays and yours is first on the list, Sam. Happy birthday, and sorry it took me this long! Hope the day was full of cake and zero meetings.
Playful · Coworkers
Catching up on birthdays and yours is first on the list, Sam. Happy birthday, and sorry it took me this long! Hope the day was full of cake and zero meetings.
Belated birthday · Medium · 31 words
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Sam, I am sending this late but with my whole chest: happy birthday to one of the kindest people at Acme. You make hard weeks feel shared, you remember the small things about everyone and you somehow always know when someone needs a coffee. I hope your birthday was brilliant and that this year brings you the kind of support you give the rest of us every single day.
Playful · Coworkers
Sam, I am sending this late but with my whole chest: happy birthday to one of the kindest people at Acme. You make hard weeks feel shared, you remember the small things about everyone and you somehow always know when someone needs a coffee. I hope your birthday was brilliant and that this year brings you the kind of support you give the rest of us every single day.
Belated birthday · Long · 69 words
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Letter
Dear Sam,
Of all the people at work, you are the one whose birthday I should never have missed, and I am sorry. So here is a proper note, a few days late, to make up for it.
When I joined, you were the first person who showed me where things were, which meetings mattered and which ones were safe to tune out. You invited me to lunch on my second day, and somehow we never stopped talking. Since then you have heard about every win and every wobble, and you have treated both with the same kindness.
Letter · Coworkers
Of all the people at work, you are the one whose birthday I should never have missed, and I am sorry. So here is a proper note, a few days late, to make up for it. When I joined, you were the first person who showed me where things were, which meetings mattered and which ones were safe to tune out. You invited me to lunch on my second day, and somehow we never stopped talking. Since then you have heard about every win and every wobble, and you have treated both with the same kindness. You make this place feel human. You notice when someone is quiet, you share credit without being asked and you have a gift for making a stressful deadline feel like something we are doing together rather than alone. I hope your birthday was full of the people you love and food you did not have to share. Let me take you for a long lunch this week, my treat, no laptops allowed. Thank you for being my favorite person at work. With a very late hug,
Belated birthday · 184 words · 1 min read
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Letter
Dear Sam,
This birthday card is late, which you already know, because you notice everything. I am sorry. You deserved a message on the day from every one of us, and especially from me.
I have been thinking about how much easier this year was because you were in it. When the reorganization landed and nobody knew what was happening, you were the one who kept us calm and kept us laughing. When I was out for two weeks, you picked up my work without being asked and never mentioned it once. When the big presentation went well, you were the first to tell me, and you meant it.
Letter · Coworkers
This birthday card is late, which you already know, because you notice everything. I am sorry. You deserved a message on the day from every one of us, and especially from me. I have been thinking about how much easier this year was because you were in it. When the reorganization landed and nobody knew what was happening, you were the one who kept us calm and kept us laughing. When I was out for two weeks, you picked up my work without being asked and never mentioned it once. When the big presentation went well, you were the first to tell me, and you meant it. Those things add up. They are the reason I like coming in, and the reason so many people here trust you. I hope your birthday was a lovely one, with good company and no notifications. Here is to another year of shared coffees, inside jokes and surviving deadlines side by side. Gratefully and belatedly,
Belated birthday · 163 words · 1 min read
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Letter
Dear Sam,
Happy belated birthday. I had planned a proper note for the day itself, and then the day got away from me. I am sorry for the delay, but I would rather send something real a week late than something rushed on time.
I wanted to tell you what a difference you make. You are the colleague people go to when they need honesty and kindness at the same time. You explain things patiently, you stay curious when others get defensive, and you have a way of turning a tense meeting around with one well-timed comment.
Letter · Coworkers
Happy belated birthday. I had planned a proper note for the day itself, and then the day got away from me. I am sorry for the delay, but I would rather send something real a week late than something rushed on time. I wanted to tell you what a difference you make. You are the colleague people go to when they need honesty and kindness at the same time. You explain things patiently, you stay curious when others get defensive, and you have a way of turning a tense meeting around with one well-timed comment. You have also taught me a lot, often without trying. Watching you handle that difficult client in the spring showed me how to stay firm and friendly at once. I have borrowed your approach more than once since. I hope the year ahead brings you interesting work, a little more rest and plenty of people telling you how much they appreciate you. Count me among them, always. Warmly,
Belated birthday · 165 words · 1 min read
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Letter
Dear Sam,
I realized yesterday that your birthday came and went without a word from me, and I felt awful. You are leaving the team soon, which makes it even more important to me that you hear this properly.
Working beside you these past three years has been one of the best parts of my career. You helped me find my feet when I was new, you backed my ideas in rooms where I was too nervous to speak and you made the long weeks feel lighter. I do not think I would be doing the work I am doing now without your encouragement.
Letter · Coworkers
I realized yesterday that your birthday came and went without a word from me, and I felt awful. You are leaving the team soon, which makes it even more important to me that you hear this properly. Working beside you these past three years has been one of the best parts of my career. You helped me find my feet when I was new, you backed my ideas in rooms where I was too nervous to speak and you made the long weeks feel lighter. I do not think I would be doing the work I am doing now without your encouragement. I am going to miss our morning catch-ups, your terrible desk plant and the way you always know which spreadsheet is the right one. Mostly I am going to miss you. So, belatedly and sincerely: happy birthday. I hope the year ahead, and the new role, bring you everything you have worked so hard for. Please keep in touch. With gratitude and good wishes,
Belated birthday · 168 words · 1 min read
No wishes match both filters. Try one at a time.
In short
A belated birthday wish for a coworker should be quick to own the miss and generous with the rest. One line of apology is plenty. Then wish them well and mention something real you appreciate, like their help on a project or the way they make the team lighter.
How to use these
- 1
Apologize once, lightly. “I missed your birthday and I am sorry” is all it takes. Skip the long story about your week.
- 2
Add one real detail. The deadline they helped you hit, the coffee run, the joke that saved a meeting. It shows the lateness is not indifference.
- 3
Make up for it in person. A coffee, a pastry on their desk or lunch on you turns a late message into a nice surprise.
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Common questions
Is it rude to send a coworker a late birthday message?
No. Most people are touched to be remembered at all. A short, warm message a few days late is much better than staying quiet because you missed the day.
How late is too late to say happy birthday to a coworker?
Up to a couple of weeks is fine and still feels natural. After that, a friendly “I realized I missed your birthday” over coffee works better than a formal message.
How do I make up for forgetting a coworker's birthday?
Send a sincere message, then do one small thing in person, such as buying them a coffee or bringing in their favorite snack. Effort matters more than cost.
How can our team stop missing birthdays?
Add everyone's birthday to Peoplewisher once. It remembers every date and posts the message on the day automatically in Slack, Microsoft Teams or by email.
Keep reading
More collections
See all collections- 40 wishesS Sam
Sweetheart, I missed your birthday and I am so sorry. You deserved better from me. I love you endlessly.
9:00 ✓✓
Belated birthday wishes for a daughter
Daughter
Belated birthday · 4 letters · short to long
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Son, I missed your birthday and I am truly sor
to Sam
Son, I missed your birthday and I am truly sorry. You matter more to me than any date. Love you always.
Belated birthday wishes for a son
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Belated birthday · 4 letters · short to long
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You never miss mine, and I missed yours. I am so sorry, Sam. Let me make it right.
Belated birthday wishes for best friend
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Belated birthday · 4 letters · short to long
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Peoplewisher APP 9:00 AM
🎉 I missed your birthday, bro, and that is on me. Sorry. You deserve better from your sibling.
Belated birthday wishes for brother
Brother
Belated birthday · 4 letters · short to long