World Calendar Converter
Pick any date and see it across 10+ calendar systems. Includes moon phases, eclipses, solstices, and equinoxes for the year.
Day of Week
Wednesday
Day of Year
266 / 365
ISO Week
W39
Leap Year
No
🌔
Moon Phase
Waxing Gibbous
89% illuminated
Date in Different Calendars
Gregorian
Wednesday, September 23, 2026
23 September 2026 (Anno Domini)
Islamic (Umm al-Qura)
Wednesday, Rabiʻ II 12, 1448 AH
12 Rabiʻ II 1448 (Anno Hegirae)
Islamic (Civil/Tabular)
Wednesday, Rabiʻ II 10, 1448 AH
10 Rabiʻ II 1448 (Anno Hegirae)
Hebrew
Wednesday, 12 Tishri 5787
12 Tishri 5787 (AM)
Chinese
Wednesday, Eighth Month 13, 2026(bing-wu)
13 Eighth Month
Persian (Solar Hijri)
Wednesday, Mehr 1, 1405 AP
1 Mehr 1405 (AP)
Indian (Saka)
Wednesday, Asvina 1, 1948 Śaka
1 Asvina 1948 (Śaka)
Buddhist
Wednesday, September 23, 2569 BE
23 September 2569 (BE)
Japanese
Wednesday, September 23, 8 Reiwa
23 September 8 (Reiwa)
Coptic
Wednesday, Tout 13, 1743 AM
13 Tout 1743 (Anno Martyrum)
Ethiopian
Wednesday, Meskerem 13, 2019 AM
13 Meskerem 2019 (AM)
Solstices & Equinoxes in 2026
🌱
March Equinox (Spring)
March 20, 2026
☀️
June Solstice (Summer)
June 21, 2026
🍂
September Equinox (Autumn)
September 23, 2026(Selected date!)
❄️
December Solstice (Winter)
December 21, 2026
Eclipses in 2026
☀️
Penumbral Partial Solar Eclipse
Feb 17, 2026
🌙
Penumbral Lunar Eclipse
Aug 28, 2026
About this tool
Different cultures and religions track time using their own calendar systems. This tool converts any Gregorian date into 10+ calendar systems using your browser's built-in internationalization APIs. It also calculates moon phases, solar and lunar eclipses, and solstice/equinox dates dynamically using astronomical algorithms. All the math runs right in your browser, no external APIs needed.
Converts dates across 11 calendar systems instantly
Dynamic moon phase calculation with illumination percentage
Solar and lunar eclipse detection for any year
Solstice and equinox dates calculated astronomically
Quick day-of-year, ISO week, and leap year info
Runs entirely in your browser, nothing leaves your device