Free tool
What Was the Moon Phase on Your Birthday?
Enter any date to see exactly what the moon looked like โ perfect for birthdays, weddings and anniversaries.
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A moon to remember
The moon goes through its cycle every 29.5 days, so the moon on your birthday is one of eight main phases โ from new moon to full moon and back. Look up a birthday, wedding day or the date you met and share the link. The phase is calculated for midday UTC on the date you choose; the phase is the same all over the world, though in the southern hemisphere the lit side appears on the opposite side.
Frequently asked questions
What phase was the moon when I was born?
Enter your date of birth above to see the moon phase, how much of it was lit and how old the moon was that day.
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