Recognised as Date
15 May 2015
- Friday
- Q2
- Common year
- Week 20
- Taurus
15 May 2015 falls on a Friday. It is day 135 of 365 in 2015, falling in week 20 and quarter 2. Its Unix timestamp is 1,431,648,000.
Calendar position
Day of the weekFriday
Day of the month15th
Day of the year135 of 365
Days remaining in the year230
Days elapsed in the year134
ISO week numberWeek 20ISO 8601, weeks start on Monday
Week of the month3rd
Occurrence in the month3rd Friday
MonthMay (month 5 of 12)
QuarterQ2 2015
Year2015
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86012015-05-15
British (D/M/Y)15/05/2015
American (M/D/Y)05/15/2015
Long formFriday 15th May 2015
RFC 2822Fri, 15 May 2015 00:00:00 GMT
Compact20150515
In wordsthe 15th of May, two thousand and fifteen
This date in other calendars
Hebrew26 Iyyar 5775the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)26 Rajab 1436 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)25 Ordibehesht 1394the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die735,733days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp1,431,648,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)1,431,648,000,000
Relationship to the epoch16,570 days after the Unix epoch
Julian Day Number2,457,158midnight UTC
Days since 1 January 190042,137
Days since 1 January 20005,613
Moon phase
PhaseWaning crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC9%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC26.7 dayssince the previous new moon
Previous new moon18 April 2015, 18:57 UTC
Next new moon18 May 2015, 04:13 UTC
Previous full moon4 May 2015, 03:42 UTC
Next full moon2 June 2015, 16:19 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.
Today20 September 2026
Days ago4,146 days
In other terms11 years, 128 days and 6 hours
Weeks592.3 weeks ago
Anniversary this year128 days ago
Years elapsed11 complete years
Seasons & signs
Zodiac signTaurusEarth sign
Chinese zodiac yearGoatthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year5 April 2015
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