Recognised as Date
1 August 1149
- Monday
- Q3
- Common year
- Week 31
- Leo
1 August 1149 falls on a Monday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 213 of 365 in 1149, falling in week 31 and quarter 3. Its Unix timestamp is -25,889,932,800.
Calendar position
Day of the weekMondayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month1st
Day of the year213 of 365
Days remaining in the year152
Days elapsed in the year212
ISO week numberWeek 31ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Monday
QuarterQ3 1149
Year1149
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011149-08-01
British (D/M/Y)01/08/1149
American (M/D/Y)08/01/1149
Long formMonday 1st August 1149
RFC 2822Mon, 01 Aug 1149 00:00:00 GMT
Compact11490801
In wordsthe 1st of August, one thousand, one hundred and forty-nine
Julian calendar equivalent25 July 1149the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew18 Av 4909the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)17 Rabi I 544 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)10 Mordad 528the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die419,511days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-25,889,932,800seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-25,889,932,800,000
Relationship to the epoch299,652 days before the Unix epoch
Julian Day Number2,140,936midnight UTC
Days since 1 January 1900-274,085
Days since 1 January 2000-310,609
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC89%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC18.6 dayssince the previous new moon
Previous new moon13 July 1149
Next new moon12 August 1149
Previous full moon29 July 1149
Next full moon27 August 1149
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
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.
Today17 September 2026
Days ago320,365 days
In other terms877 years, 40 days and 18 hours
Weeks45766.4 weeks ago
Anniversary this year47 days ago
Years elapsed877 complete years
Seasons & signs
Zodiac signLeoFire sign
Chinese zodiac yearSnakethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Summermeteorological seasons, by whole months
Season (Southern Hemisphere)Winter
Easter Sunday that year3 April 1149
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