International Sacred Calendar<br>✦A week-based measure of sacred time<br>Every date,<br>held in one rhythm.<br>Move freely among all eight supported calendars—while preserving the uninterrupted seven-day week.<br>13 equal months<br>×28 days each<br>=364 days per year
01 — ConverterTranslate a date<br>Choose any calendar as your starting point and any other as the destination.
FromUse today<br>Source calendarInternational Sacred CalendarHebrewGregorianJulianMuslimChinese Traditional CalendarIndian National Calendar (Saka)Thai Buddhist Calendar (B.E.)MonthJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberDayYearEraCEBCE<br>Wednesday · fixed day 739,826
⇄ToConverted date<br>Destination calendarInternational Sacred CalendarHebrewGregorianJulianMuslimChinese Traditional CalendarIndian National Calendar (Saka)Thai Buddhist Calendar (B.E.)Year 5805 · Month 9 · Day 24<br>WednesdayISC 5805 · 09 · 24
Gregorian and Julian dates use proleptic civil calendars. Muslim dates use the arithmetic tabular calendar; local observation may vary by a day.
02 — Rotating cycleA long arc back toward alignment.<br>A Sacred year is exactly 364 days. 293 Sacred years nearly equal 292 mean Hebrew years—a difference of about 1 hour 44 minutes. This realigns year boundaries, not weekdays.
Cycle20 of Sacred time
Current Sacred dateY5805 · M9 · D24<br>Year in rotation238 of 293<br>Day of year248 of 364<br>Until next cycle55 Sacred years
81% through this 293-year rotation
Rotation anniversaries 1–22When the long count turns<br>Each anniversary marks another complete 293-Sacred-year interval from the Creation-week anchor.
To the 20th anniversary55 Sacred years 117 days remain after those full years
Current Sacred date<br>ISC 1 · 1 · 1ISC 5805 · 9 · 24#20 · ISC 5861 · 1 · 1
✦ Near a 293-year alignmentHistory near the 293-year marks<br>These events and historical intervals fall on or near a 293-Sacred-year boundary. Signed offsets are calculated from the website’s own dates: minus is before, plus is after.
Calendar proximity is a pattern for exploration, not evidence that the cycle caused an event.<br>293-year anniversary #4Great Pyramid of Giza completed +32.0 ISC yISC 1204 · 06 · 26 → ISC 1205 · 06 · 26293-year anniversary #7Covenant of circumcision with Abraham +1.6 ISC yYear 2053 · Month 8 · Day 18293-year anniversary #7Birth of Isaac +2.6 ISC yYear 2054 · Month 8 · Day 11293-year anniversary #8Midpoint of Israel’s time in Egypt +5.3 ISC yCalculated midpoint between Jacob’s family entering Egypt and the Exodus in traditional Hebrew chronology.293-year anniversary #10Construction of the First Temple begins +6.6 ISC yYear 2937 · Month 8 · Day 26293-year anniversary #11Babylonian exile ↔ 586–539 BCEAlignment #11 falls inside the mainstream 586–539 BCE interval. The 80-date chronology continues to use traditional Hebrew chronology.293-year anniversary #13Second Temple destroyed +32.0 ISC yYear 3841 · Month 13 · Day 14293-year anniversary #15Hijra and the Islamic calendar epoch +312 dYear 4396 · Month 12 · Day 5293-year anniversary #17Magna Carta sealed +9.8 ISC yYear 4991 · Month 11 · Day 15293-year anniversary #18Columbus reaches the Americas −4.9 ISC yYear 5270 · Month 2 · Day 5293-year anniversary #19United States Declaration of Independence adopted −13.2 ISC yYear 5554 · Month 10 · Day 25293-year anniversary #19Storming of the Bastille · French Revolution −62 dYear 5567 · Month 11 · Day 23
◉ Cosmic scaleA 293-year day, divided like a clock<br>One Cosmic Day is exactly 293 ISC years. Divide that span into 24 Cosmic Hours, then 60 Cosmic Minutes and 60 Cosmic Seconds.
A proportional calendar scale—not a physical clock or astronomical standard.<br>01Cosmic Day293 ISC y 292 y · 72 d<br>÷ 2402Cosmic Hour12.2083 ISC y 12 y · 63 d · 20 h<br>÷ 6003Cosmic Minute0.203472 ISC y 74 d · 1 h · 32 min<br>÷ 6004Cosmic Second0.003391 ISC y 1 d · 5 h · 37 min · 32 s
Duration years use a 365-day common year; remaining days, hours, minutes, and seconds are shown exactly.Current / selected Cosmic DateJuly 29, 2026 CE ✦ Selected converter date◷ Current date
Each alignment is a Cosmic Day in a seven-day Cosmic Week: #1 is Monday of Week 1, #7 is Sunday of Week 1, and #8 is Monday of Week 2.
Cosmic WeekCosmic DayMondayTuesdayWednesdayThursdayFridaySaturdaySundayCosmic HourCosmic MinuteCosmic SecondApply Cosmic DateCosmic Seconds are shown to three decimals; applying them selects the nearest civil day.
MilestoneCosmic weekInternational SacredHebrewGregorianJulianMuslimChineseSakaBuddhistWeekday#1Monday, Week 1Year 294 · Month 1 · Day 113 Elul 293 AMAugust 24, 3468 BCESeptember 21, 3468 BCE10 Sha'ban 4215 BH14 Month 7 · Chinese year -34672 Bhadra -3545 SakaSinghakhom 24, -2924 BEMonday#2Tuesday, Week 1Year 587 · Month 1 · Day 11 Tishrei 586 AMAugust 25, 3176 BCESeptember 20, 3176 BCE27 Rajab 3914 BH1 Leap Month 7 · Chinese year -31753 Bhadra -3253 SakaSinghakhom 25, -2632 BEMonday#3Wednesday, Week 1Year 880 · Month 1 · Day 118 Elul 877 AMAugust 27, 2884 BCESeptember 19, 2884 BCE15 Rajab 3613 BH18...