A Chinese lunar birthday falls on a different Gregorian date every year, so a normal yearly repeat reminds you on the wrong day. MoonCal turns your lunar birthdays, anniversaries & festivals into one calendar subscription — add it once, and it auto-updates to the correct date every year.
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Maker
📌
👋 Hi Product Hunt!
I'm the maker of MoonCal. I built this because I kept missing my mom's birthday.
Her birthday is on the Chinese lunar calendar (农历) — and a lunar date lands on a different Gregorian day every single year. So the "yearly repeat" I'd set in my calendar quietly drifted onto the wrong day, and leap months made it even messier. Re-entering the date by hand every year is exactly the kind of small, important thing we all forget.
MoonCal fixes it once. You add a lunar birthday, anniversary, or festival a single time, and MoonCal:
🌙 Converts it to the correct Gregorian date — leap months and year-straddling dates handled properly
📅 Gives you a standard .ics subscription that works in Apple Calendar, Google Calendar, Outlook & Fastmail
🔁 Auto-updates every year — nothing to re-import, ever
🎏 Lets you import Spring Festival, Mid-Autumn, Qingming and more with a click
🔒 Keeps it private — your subscription link is an unguessable address
A few extras, all free:
- A public moon-phase calendar (new / full / quarter moons at your exact local time) — no signup
- Free tools: lunar ⇄ Gregorian converter, Chinese zodiac calculator, moon-phase calculator, and festival date tables
👉 You can try it with no signup — create a calendar in about a minute at usemooncal.com
The whole goal is one calm moment: subscribe once, and never think about it again. If you keep lunar dates for family, I'd love your feedback — especially if you spot any date that looks off. Thank you!🙏