ProCalendar: World Calendars

ProCalendar brings ten of the world's calendar systems into one clean, fast app — so a single date makes sense no matter which tradition you follow.

See any day in Gregorian, Chinese Lunar, Islamic (Hijri), Persian, Hebrew, Japanese, Buddhist, Indian National, Ethiopic and Coptic calendars side by side. Pick a primary calendar and overlay a secondary one to compare systems at a glance.

WHY PROCALENDAR
• Ten calendar systems, one unified view
• Traditional festivals highlighted automatically — Spring Festival, Lantern Festival, Dragon Boat, Mid-Autumn, Eid al-Fitr, Eid al-Adha, Rosh Hashanah, Yom Kippur, Passover, Hanukkah, Nowruz, Losar, Torch Festival and more
• Smart reminders that repeat by your chosen calendar — set a birthday on the Lunar calendar and it fires on the right Gregorian day every year
• On-device local notifications — no account, no sign-in
• Six interface languages with full right-to-left support: English, 简体中文, العربية, עברית, 日本語, हिन्दी
• Smooth, sharp rendering built for modern phones
• Works fully offline — your data never leaves your device

REMINDERS THAT FIT REAL LIFE
Create reminders once, daily, weekly, monthly or yearly. Because reminders are anchored to the calendar system you choose, a Lunar birthday, a Hijri anniversary or a Hebrew observance always lands on the correct day — the app does the conversion for you.

FESTIVALS FROM MANY CULTURES
Traditional and religious holidays across Chinese, Islamic, Jewish, Persian and ethnic-minority calendars are marked for you, so you never miss a date that matters.

PRIVATE BY DESIGN
ProCalendar stores everything locally on your phone. There is no account to create, no data collected, and nothing uploaded to any server. What you save stays with you.

Whether you plan across cultures, track lunar birthdays, follow religious observances, or simply love a beautifully made calendar, ProCalendar keeps every date clear.

Download ProCalendar and see time the way the whole world does.