Recognised as Date
1 May 1520
- Saturday
- Q2
- Leap year
- Week 18
- Taurus
1 May 1520 falls on a Saturday in the proleptic Gregorian calendar, which did not yet exist at the time. It was day 122 of 366 in 1520, a leap year, falling in week 18 and quarter 2. Its Unix timestamp is -14,190,249,600.
Calendar position
Day of the weekSaturdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
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 Saturday
MonthMay (month 5 of 12)
QuarterQ2 1520
Year1520
Days in the month31
Leap yearYes, 366 days
This date in other formats
ISO 86011520-05-01
British (D/M/Y)01/05/1520
American (M/D/Y)05/01/1520
Long formSaturday 1st May 1520
RFC 2822Sat, 01 May 1520 00:00:00 GMT
Compact15200501
In wordsthe 1st of May, one thousand, five hundred and twenty
Julian calendar equivalent21 April 1520the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew3 Iyyar 5280the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)3 Jumada I 926 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)11 Ordibehesht 899the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die554,924days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-14,190,249,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-14,190,249,600,000
Relationship to the epoch164,239 days before the Unix epoch
Julian Day Number2,276,349midnight UTC
Days since 1 January 1900-138,672
Days since 1 January 2000-175,196
Relative to today
These values depend on today’s date and change daily.
Today13 September 2026
Days ago184,948 days
In other terms506 years, 131 days and 12 hours
Weeks26421.1 weeks ago
Anniversary this year135 days ago
Years elapsed506 complete years
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 year18 April 1520
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