Recognised as Date
10 May 1512
- Friday
- Q2
- Leap year
- Week 19
- Taurus
10 May 1512 falls on a Friday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 131 of 366 in 1512, a leap year, falling in week 19 and quarter 2. Its Unix timestamp is -14,441,932,800.
Calendar position
Day of the weekFridayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month10th
Day of the year131 of 366
Days remaining in the year235
Days elapsed in the year130
ISO week numberWeek 19ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Friday
MonthMay (month 5 of 12)
QuarterQ2 1512
Year1512
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011512-05-10
British (D/M/Y)10/05/1512
American (M/D/Y)05/10/1512
Long formFriday 10th May 1512
RFC 2822Fri, 10 May 1512 00:00:00 GMT
Compact15120510
In wordsthe 10th of May, one thousand, five hundred and twelve
Julian calendar equivalent30 April 1512the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew14 Iyyar 5272the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)13 Safar 918 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)20 Ordibehesht 891the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die552,011days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-14,441,932,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-14,441,932,800,000
Relationship to the epoch167,152 days before the Unix epoch
Julian Day Number2,273,436midnight UTC
Days since 1 January 1900-141,585
Days since 1 January 2000-178,109
Moon phase
PhaseWaxing gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC100%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC14.2 dayssince the previous new moon
Previous new moon26 April 1512
Next new moon25 May 1512
Previous full moon11 April 1512
Next full moon11 May 1512
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.
Today21 September 2026
Days ago187,869 days
In other terms514 years, 130 days and 12 hours
Weeks26838.4 weeks ago
Anniversary this year134 days ago
Years elapsed514 complete years
Seasons & signs
Zodiac signTaurusEarth sign
Chinese zodiac yearMonkeythe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year14 April 1512
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