Recognised as Date
30 May 1064
- Monday
- Q2
- Leap year
- Week 22
- Gemini
30 May 1064 falls on a Monday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 151 of 366 in 1064, a leap year, falling in week 22 and quarter 2. Its Unix timestamp is -28,577,664,000.
Calendar position
Day of the weekMondayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month30th
Day of the year151 of 366
Days remaining in the year215
Days elapsed in the year150
ISO week numberWeek 22ISO 8601, weeks start on Monday
Week of the month5th
Occurrence in the month5th Monday, and the last of the month
MonthMay (month 5 of 12)
QuarterQ2 1064
Year1064
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011064-05-30
British (D/M/Y)30/05/1064
American (M/D/Y)05/30/1064
Long formMonday 30th May 1064
RFC 2822Mon, 30 May 1064 00:00:00 GMT
Compact10640530
In wordsthe 30th of May, one thousand and sixty-four
Julian calendar equivalent24 May 1064the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew6 Sivan 4824the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)4 Jumada II 456 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)9 Khordad 443the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die388,403days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,577,664,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,577,664,000,000
Relationship to the epoch330,760 days before the Unix epoch
Julian Day Number2,109,828midnight UTC
Days since 1 January 1900-305,193
Days since 1 January 2000-341,717
Moon phase
PhaseWaxing crescentthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC31%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC5.4 dayssince the previous new moon
Previous new moon25 May 1064
Next new moon23 June 1064
Previous full moon9 May 1064
Next full moon8 June 1064
Lit side, Northern HemisphereRight
Lit side, Southern HemisphereLeftthe 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
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 ago351,474 days
In other terms962 years, 103 days and 12 hours
Weeks50210.6 weeks ago
Anniversary this year111 days ago
Years elapsed962 complete years
Seasons & signs
Zodiac signGeminiAir sign
Chinese zodiac yearDragonthe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Springmeteorological seasons, by whole months
Season (Southern Hemisphere)Autumn
Easter Sunday that year17 April 1064
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