Recognised as Date
13 June 1084
- Friday
- Q2
- Leap year
- Week 24
- Gemini
13 June 1084 falls on a Friday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 165 of 366 in 1084, a leap year, falling in week 24 and quarter 2. Its Unix timestamp is -27,945,302,400.
Calendar position
Day of the weekFridayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month13th
Day of the year165 of 366
Days remaining in the year201
Days elapsed in the year164
ISO week numberWeek 24ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Friday
MonthJune (month 6 of 12)
QuarterQ2 1084
Year1084
Days in the month30
Leap yearYes, 366 days
This date in other formats
ISO 86011084-06-13
British (D/M/Y)13/06/1084
American (M/D/Y)06/13/1084
Long formFriday 13th June 1084
RFC 2822Fri, 13 Jun 1084 00:00:00 GMT
Compact10840613
In wordsthe 13th of June, one thousand and eighty-four
Julian calendar equivalent7 June 1084the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew1 Tammuz 4844the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)29 Muharram 477 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)23 Khordad 463the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die395,722days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-27,945,302,400seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-27,945,302,400,000
Relationship to the epoch323,441 days before the Unix epoch
Julian Day Number2,117,147midnight UTC
Days since 1 January 1900-297,874
Days since 1 January 2000-334,398
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC2%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC1.3 dayssince the previous new moon
Previous new moon12 June 1084
Next new moon11 July 1084
Previous full moon28 May 1084
Next full moon26 June 1084
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.
Today18 September 2026
Days ago344,155 days
In other terms942 years, 89 days and 12 hours
Weeks49165.0 weeks ago
Anniversary this year97 days ago
Years elapsed942 complete years
Seasons & signs
Zodiac signGeminiAir sign
Chinese zodiac yearRatthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Summermeteorological seasons, by whole months
Season (Southern Hemisphere)Winter
Easter Sunday that year6 April 1084
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