All Dates Calculations

Dates and key religious holidays: Christianity, Judaism, Islam.

Transform your smartphone into a universal date and calendar calculator. Professional, precise, and available in 6 languages.

KEY FEATURES

• Advanced temporal calculations Add or subtract days, weeks, months, years to any date with precision to a tenth of a second

• Conversion between 7 calendars Gregorian, Julian, Hebrew, Islamic, Persian, French Republican, Indian National (Saka)

• Moveable religious holidays calculator Easter (Catholic/Orthodox/Protestant), Ramadan, Eid, Hanukkah, Passover, Yom Kippur

• Time difference calculator Precisely measure elapsed or remaining time in seconds, minutes, hours, days, weeks, months, years

WHY ALL DATES CALCULATIONS?

→ Scientific precision with automatic validation → Intuitive interface and instant results → International formats adapted to your region → Support for historical and future dates → Astronomical calculations for lunar/solar feasts → Ad-free, reliable, fast

7 CALENDAR SYSTEMS

→ Gregorian: Modern international standard → Julian: Historical and genealogical research → Hebrew: Jewish luni-solar calendar → Islamic: Muslim lunar calendar (Hijri) → Persian: Iranian solar calendar → French Republican: Revolutionary calendar → Indian National: India's official calendar

Instant bidirectional conversions between all systems.

CALCULATED RELIGIOUS HOLIDAYS

Christianity → Easter, Pentecost, Ascension Islam → Ramadan, Eid al-Fitr, Eid al-Adha, Mawlid Judaism → Hanukkah, Passover, Rosh Hashanah, Yom Kippur

INTERFACE IN 6 LANGUAGES

English • French • Spanish • Portuguese • Italian • German

PERFECT FOR

→ Project management and deadline calculations → Historical research and genealogy → Multicultural event planning → Teaching history and cultures → International travel → Coordinating religious celebrations

DOWNLOAD NOW

Join users who trust All Dates Calculations to navigate through time and cultures with precision.