Recognised as Date
1 October 1689
- Saturday
- Q4
- Common year
- Week 39
- Libra
1 October 1689 falls on a Saturday. It is day 274 of 365 in 1689, falling in week 39 and quarter 4. Its Unix timestamp is -8,843,817,600.
Calendar position
Day of the weekSaturday
Day of the month1st
Day of the year274 of 365
Days remaining in the year91
Days elapsed in the year273
ISO week numberWeek 39ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Saturday
QuarterQ4 1689
Year1689
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011689-10-01
British (D/M/Y)01/10/1689
American (M/D/Y)10/01/1689
Long formSaturday 1st October 1689
RFC 2822Sat, 01 Oct 1689 00:00:00 GMT
Compact16891001
In wordsthe 1st of October, one thousand, six hundred and eighty-nine
This date in other calendars
Hebrew17 Tishri 5450the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)16 Dhu al-Hijjah 1100 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)10 Mehr 1068the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die616,804days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-8,843,817,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-8,843,817,600,000
Relationship to the epoch102,359 days before the Unix epoch
Julian Day Number2,338,229midnight UTC
Days since 1 January 1900-76,792
Days since 1 January 2000-113,316
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC92%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC17.9 dayssince the previous new moon
Previous new moon13 September 1689
Next new moon13 October 1689
Previous full moon29 September 1689
Next full moon28 October 1689
Lit side, Northern HemisphereLeft
Lit side, Southern HemisphereRightthe same Moon seen from the other side of the equator; near the equator the lit side points up or down rather than to one side
PrecisionDates onlybefore 1700 or after 2150 the Earth's rotation is not known well enough to give a time, and a phase near midnight can land a day either side
Relative to today
These values depend on today’s date and change daily.
Today18 September 2026
Days ago123,073 days
In other terms336 years and 349 days
Weeks17581.9 weeks ago
Anniversary this yearin 13 days
Years elapsed336 complete years
Seasons & signs
Zodiac signLibraAir sign
Chinese zodiac yearSnakethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Autumnmeteorological seasons, by whole months
Season (Southern Hemisphere)Spring
Easter Sunday that year10 April 1689
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