Recognised as Date
1 October 1649
- Friday
- Q4
- Common year
- Week 39
- Libra
1 October 1649 falls on a Friday. It is day 274 of 365 in 1649, falling in week 39 and quarter 4. Its Unix timestamp is -10,106,121,600.
Calendar position
Day of the weekFriday
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 Friday
QuarterQ4 1649
Year1649
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011649-10-01
British (D/M/Y)01/10/1649
American (M/D/Y)10/01/1649
Long formFriday 1st October 1649
RFC 2822Fri, 01 Oct 1649 00:00:00 GMT
Compact16491001
In wordsthe 1st of October, one thousand, six hundred and forty-nine
This date in other calendars
Hebrew25 Tishri 5410the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)24 Ramadan 1059 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 1028the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die602,194days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-10,106,121,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-10,106,121,600,000
Relationship to the epoch116,969 days before the Unix epoch
Julian Day Number2,323,619midnight UTC
Days since 1 January 1900-91,402
Days since 1 January 2000-127,926
Moon phase
PhaseWaning crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC26%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC24.8 dayssince the previous new moon
Previous new moon6 September 1649
Next new moon6 October 1649
Previous full moon20 September 1649
Next full moon20 October 1649
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 ago137,683 days
In other terms376 years and 349 days
Weeks19669.0 weeks ago
Anniversary this yearin 13 days
Years elapsed376 complete years
Seasons & signs
Zodiac signLibraAir sign
Chinese zodiac yearOxthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Autumnmeteorological seasons, by whole months
Season (Southern Hemisphere)Spring
Easter Sunday that year4 April 1649
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