Google Calendar birthdays: check the contact, manual entry and account behind a date
A birthday on Google Calendar can be manually created or linked to Google Contacts. Find the source and Google account before changing a date or removing a duplicate-looking row. Hiding the Birthdays calendar and turning off contact sync have different effects. Arte Soft develops Cloud Calendars.
What each action does
| Action | Where | Effect |
|---|---|---|
| Correct a Contacts-linked birthday | Google Contacts or supported mobile Google Calendar linked edit | A Calendar linked edit also changes the contact;verify the intended account |
| Remove only the Calendar birthday entry | Calendar delete | Does not change birthday data in Google Contacts |
| Hide all birthday rows | Uncheck Birthdays in Calendar list | Hides manual and imported birthday rows |
| Change birthday colour | Birthdays > Options | Display choice |
| Stop one account’s imported entries | Settings > Birthdays > Sync from Contacts | Removes that account’s synced Calendar entries;contact information remains |
| Investigate duplicate-looking rows | Compare selected accounts and known manual/contact sources | Do not infer duplicate contacts or merge them as a test |
What most people assume
If a birthday is wrong, I should edit or delete the calendar event.
Find the source before choosing an edit
Google explicitly distinguishes manually created birthdays from birthdays imported from Contacts. For a Contacts-linked birthday, you can edit the birthday in Google Contacts or the Android Contacts app. Google also documents editing linked birthdays in the Google Calendar app on Android, iPhone and iPad;those edits also apply to Google Contacts. Do not assume Calendar is always a display-only destination.
Deleting a birthday from Calendar does not change the stored birthday in Contacts. Editing a linked birthday and deleting its Calendar entry are therefore different operations. Compare the actual contact and account before deciding which result you need.
Hide or recolour without losing anything
To hide all birthdays, hover over Birthdays in the calendar list and uncheck the box. To change their colour, hover over Birthdays, open Options and pick a colour. Both are display choices; the contact data stays as it is.
The setting that removes more than birthdays
Turning off Sync from Contacts is more than hiding the list. Google warns that it removes synced Calendar events, including birthdays, important dates and changes made to them. Contact information remains in Contacts. Do not toggle it merely to see whether duplicate-looking rows disappear.
For multiple Google accounts, Google documents Settings > Birthdays > Sync from Contacts, with a checkbox beside each account. Inspect which accounts contribute birthdays before changing anything. If you only want a temporary uncluttered view, unchecking the Birthdays calendar hides both manual and imported birthdays without using those account-sync removal controls.
Worked example: a wrong date and a duplicate
In this fictional example, a person’s contact birthday is 4March, but the user confirms the correct date is 3April. They first identify the Google account holding that contact. They can correct the linked birthday in Google Contacts, or use the supported mobile Calendar edit and check the resulting contact. Simply deleting the Calendar entry would not correct the source birthday.
If two rows remain on 3April, the user checks which selected accounts supply Contacts birthdays and whether they had also created a manual birthday. Two contact records are only one possibility, not a diagnosis. They preserve both calendars and contacts while identifying the sources;they do not merge or delete contacts merely because two rows look alike.
For a useful before-and-after record, note the selected Google accounts, the intended birthday and whether it is manual or Contacts-linked. Check both Calendar and the relevant contact after a supported linked edit. If choosing to remove an account’s synced Calendar entries, review the documented consequences first rather than assume the change is a reversible visual filter.
What it looks like
Cloud Calendars overview, using our product images. Provider settings and protocol examples described in this guide are separate from the screens shown here.
What to do
- Identify whether the birthday is manual or Contacts-linked and which Google account owns its source.
- For a linked date correction, use Google Contacts or the supported mobile Calendar edit, then verify the contact.
- Inspect selected accounts and known manual entries before diagnosing duplicate-looking birthdays.
- Use the Birthdays list checkbox for temporary hiding;do not use Sync from Contacts as a harmless visual test.
- Keep source records while verifying any change;do not merge contacts only to remove duplicate-looking calendar rows.
Questions
- I deleted a birthday from Calendar. Is it gone from my contact?
- No. Google says deleting a birthday from Calendar does not affect what is stored in Google Contacts.
- How do I stop seeing birthdays without losing them?
- Uncheck the Birthdays calendar in the list to hide its manual and imported entries. Turning off Sync from Contacts instead removes synced Calendar entries and their changes;the underlying contact information remains in Contacts.
- Can I fix a linked birthday directly in the Google Calendar app?
- Google documents this on Android, iPhone and iPad:editing a Contacts-linked birthday in Calendar also changes Google Contacts. Identify the intended account first.