Recognised as Date
9 May 1079
- Friday
- Q2
- Common year
- Week 19
- Taurus
9 May 1079 falls on a Friday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 129 of 365 in 1079, falling in week 19 and quarter 2. Its Unix timestamp is -28,106,179,200. A new moon falls on this day.
Calendar position
Day of the weekFridayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month9th
Day of the year129 of 365
Days remaining in the year236
Days elapsed in the year128
ISO week numberWeek 19ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Friday
MonthMay (month 5 of 12)
QuarterQ2 1079
Year1079
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011079-05-09
British (D/M/Y)09/05/1079
American (M/D/Y)05/09/1079
Long formFriday 9th May 1079
RFC 2822Fri, 09 May 1079 00:00:00 GMT
Compact10790509
In wordsthe 9th of May, one thousand and seventy-nine
Julian calendar equivalent3 May 1079the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew28 Iyyar 4839the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)28 Shawwal 471 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 Ordibehesht 458the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die393,860days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,106,179,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,106,179,200,000
Relationship to the epoch325,303 days before the Unix epoch
Julian Day Number2,115,285midnight UTC
Days since 1 January 1900-299,736
Days since 1 January 2000-336,260
Moon phase
PhaseNew moonthe instant falls on this UTC day; in time zones far enough east or west the local date is a day either side
Illuminated at 12:00 UTC0%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC28.8 dayssince the previous new moon
This new moon9 May 1079
Next new moon8 June 1079
Previous full moon24 April 1079
Next full moon24 May 1079
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.
Today22 September 2026
Days ago346,021 days
In other terms947 years, 129 days and 6 hours
Weeks49431.6 weeks ago
Anniversary this year136 days ago
Years elapsed947 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 year30 March 1079
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