Recognised as Date
13 August 2009
- Thursday
- Q3
- Common year
- Week 33
- Leo
13 August 2009 falls on a Thursday. It is day 225 of 365 in 2009, falling in week 33 and quarter 3. Its Unix timestamp is 1,250,121,600. A last quarter falls on this day at 18:55 UTC.
Calendar position
Day of the weekThursday
Day of the month13th
Day of the year225 of 365
Days remaining in the year140
Days elapsed in the year224
ISO week numberWeek 33ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Thursday
QuarterQ3 2009
Year2009
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86012009-08-13
British (D/M/Y)13/08/2009
American (M/D/Y)08/13/2009
Long formThursday 13th August 2009
RFC 2822Thu, 13 Aug 2009 00:00:00 GMT
Compact20090813
In wordsthe 13th of August, two thousand and nine
This date in other calendars
Hebrew23 Av 5769the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)21 Shaban 1430 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)22 Mordad 1388the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die733,632days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp1,250,121,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)1,250,121,600,000
Relationship to the epoch14,469 days after the Unix epoch
Julian Day Number2,455,057midnight UTC
Days since 1 January 190040,036
Days since 1 January 20003,512
Moon phase
PhaseLast quarterthe instant falls at 18:55 UTC; in time zones far enough east or west the local date is a day either side
Illuminated at 12:00 UTC53%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC22.4 dayssince the previous new moon
Previous new moon22 July 2009, 02:35 UTC
Next new moon20 August 2009, 10:01 UTC
Previous full moon6 August 2009, 00:55 UTC
Next full moon4 September 2009, 16:03 UTC
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
Relative to today
These values depend on today’s date and change daily.
Today18 September 2026
Days ago6,245 days
In other terms17 years, 35 days and 18 hours
Weeks892.1 weeks ago
Anniversary this year36 days ago
Years elapsed17 complete years
Seasons & signs
Zodiac signLeoFire sign
Chinese zodiac yearOxthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Summermeteorological seasons, by whole months
Season (Southern Hemisphere)Winter
Easter Sunday that year12 April 2009
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