InYourHand

Convert the Chinese lunar calendar

Enter a date to see the lunar date, stems and branches and the solar terms.

  • No registration, No login
  • Zero privacy leaks
  • No AI training
  • Free forever
  • Eco: no server processing: Processing happens only on your device. No data-center power or cooling water is used.

🤲Your files are yours. Keep them in your hand.

Options

Direction
24 solar terms of this year

Calculated with lunar-javascript (MIT).

How to use Chinese Calendar

  1. Type the text or URL you want to turn into a QR code.
  2. Reorder or adjust the settings, then hit the big button.
  3. When it's ready, click "Save." Your files never leave your device.

FAQ

Which years are supported?

Use it for 1901–2099.

How do I enter a leap month?

When converting from the lunar calendar, tick "Leap month".

Is it safe to use Chinese Calendar with my files?

Yes. Your files are never uploaded — they're processed only inside your browser. Every page is served with a policy that blocks outgoing connections (Content-Security-Policy connect-src 'none'), and the counter in the bottom-left shows the data sent: 0 bytes.

Is it free? Do I need an account?

It's completely free, no account needed, and there are no usage limits.

Does it work on my phone?

Yes. It works in mobile browsers on iPhone and Android. For very large files, a computer will be faster.

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