Recognised as Date
29 December 2009
- Tuesday
- Q4
- Common year
- Week 53
- Capricorn
29 December 2009 falls on a Tuesday. It is day 363 of 365 in 2009, falling in week 53 and quarter 4. Its Unix timestamp is 1,262,044,800.
Calendar position
Day of the weekTuesday
Day of the month29th
Day of the year363 of 365
Days remaining in the year2
Days elapsed in the year362
ISO week numberWeek 53ISO 8601, weeks start on Monday
Week of the month5th
Occurrence in the month5th Tuesday, and the last of the month
QuarterQ4 2009
Year2009
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86012009-12-29
British (D/M/Y)29/12/2009
American (M/D/Y)12/29/2009
Long formTuesday 29th December 2009
RFC 2822Tue, 29 Dec 2009 00:00:00 GMT
Compact20091229
In wordsthe 29th of December, two thousand and nine
This date in other calendars
Hebrew12 Tevet 5770the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)12 Muharram 1431 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)8 Dey 1388the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die733,770days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp1,262,044,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)1,262,044,800,000
Relationship to the epoch14,607 days after the Unix epoch
Julian Day Number2,455,195midnight UTC
Days since 1 January 190040,174
Days since 1 January 20003,650
Moon phase
PhaseWaxing gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC93%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC13 dayssince the previous new moon
Previous new moon16 December 2009, 12:02 UTC
Next new moon15 January 2010, 07:11 UTC
Previous full moon2 December 2009, 07:30 UTC
Next full moon31 December 2009, 19:13 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.
Today18 September 2026
Days ago6,107 days
In other terms16 years and 263 days
Weeks872.4 weeks ago
Anniversary this yearin 102 days
Years elapsed16 complete years
Seasons & signs
Zodiac signCapricornEarth sign
Chinese zodiac yearOxthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Wintermeteorological seasons, by whole months
Season (Southern Hemisphere)Summer
Easter Sunday that year12 April 2009
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