Recognised as Date
9 January 2000
- Sunday
- Q1
- Leap year
- Week 1
- Capricorn
9 January 2000 falls on a Sunday. It is day 9 of 366 in 2000, a leap year, falling in week 1 and quarter 1. Its Unix timestamp is 947,376,000.
Calendar position
Day of the weekSunday
Day of the month9th
Day of the year9 of 366
Days remaining in the year357
Days elapsed in the year8
ISO week numberWeek 1ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Sunday
QuarterQ1 2000
Year2000
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86012000-01-09
British (D/M/Y)09/01/2000
American (M/D/Y)01/09/2000
Long formSunday 9th January 2000
RFC 2822Sun, 09 Jan 2000 00:00:00 GMT
Compact20000109
In wordsthe 9th of January, two thousand
This date in other calendars
Hebrew2 Shevat 5760the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)2 Shawwal 1420 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)19 Dey 1378the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die730,128days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp947,376,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)947,376,000,000
Relationship to the epoch10,965 days after the Unix epoch
Julian Day Number2,451,553midnight UTC
Days since 1 January 190036,532
Days since 1 January 20008
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC7%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC2.7 dayssince the previous new moon
Previous new moon6 January 2000, 18:14 UTC
Next new moon5 February 2000, 13:03 UTC
Previous full moon22 December 1999, 17:31 UTC
Next full moon21 January 2000, 04:40 UTC
Lit side, Northern HemisphereRight
Lit side, Southern HemisphereLeftthe 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
Relative to today
These values depend on today’s date and change daily.
Today20 September 2026
Days ago9,751 days
In other terms26 years, 254 days and 12 hours
Weeks1393.0 weeks ago
Anniversary this year254 days ago
Years elapsed26 complete years
Seasons & signs
Zodiac signCapricornEarth sign
Chinese zodiac yearDragonthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year23 April 2000
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