How to put someone's birthday on Google calendar without editing it every year?

Although Google Calendar lets you sync birthday events automatically from Google Contacts but in case you want to do it manually, here is the procedure guide :

1. Open your Google Calendar and click the Create + sign in the top left.

2. An event window pops up. Go to ‘More options’.

3. Fill in the details of the event, i.e. Name, date etc.

4. Look for the ‘Doesn’t repeat’ option and click the downward arrow.

5. From the drop down list, choose whatever option you want to choose for the occurrence of event.

6. Under ‘Custom’ option, you can customize the event.

7. Click ‘Save’.