Recognised as Date
1 May 2564
- Tuesday
- Q2
- Leap year
- Week 18
- Taurus
1 May 2564 falls on a Tuesday. It is day 122 of 366 in 2564, a leap year, falling in week 18 and quarter 2. Its Unix timestamp is 18,755,280,000.
Calendar position
Day of the weekTuesday
Day of the month1st
Day of the year122 of 366
Days remaining in the year244
Days elapsed in the year121
ISO week numberWeek 18ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Tuesday
MonthMay (month 5 of 12)
QuarterQ2 2564
Year2564
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86012564-05-01
British (D/M/Y)01/05/2564
American (M/D/Y)05/01/2564
Long formTuesday 1st May 2564
RFC 2822Tue, 01 May 2564 00:00:00 GMT
Compact25640501
In wordsthe 1st of May, two thousand, five hundred and sixty-four
This date in other calendars
Hebrew18 Iyyar 6324the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)18 Jumada I 2002 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)12 Ordibehesht 1943the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die936,238days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp18,755,280,000seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)18,755,280,000,000
Relationship to the epoch217,075 days after the Unix epoch
Julian Day Number2,657,663midnight UTC
Days since 1 January 1900242,642
Days since 1 January 2000206,118
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC87%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC18.9 dayssince the previous new moon
Previous new moon12 April 2564
Next new moon11 May 2564
Previous full moon27 April 2564
Next full moon27 May 2564
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.
Today18 September 2026
Days from today196,361 days
In other terms537 years, 221 days and 18 hours
Weeks28051.6 weeks from now
Anniversary this year140 days ago
Years elapsed538 years in the future
Seasons & signs
Zodiac signTaurusEarth 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 year1 April 2564
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