Recognised as Date
9 May 1058
- Sunday
- Q2
- Common year
- Week 18
- Taurus
9 May 1058 falls on a Sunday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 129 of 365 in 1058, falling in week 18 and quarter 2. Its Unix timestamp is -28,768,867,200. A first quarter falls on this day.
Calendar position
Day of the weekSundayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month9th
Day of the year129 of 365
Days remaining in the year236
Days elapsed in the year128
ISO week numberWeek 18ISO 8601, weeks start on Monday
Week of the month2nd
Occurrence in the month2nd Sunday
MonthMay (month 5 of 12)
QuarterQ2 1058
Year1058
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011058-05-09
British (D/M/Y)09/05/1058
American (M/D/Y)05/09/1058
Long formSunday 9th May 1058
RFC 2822Sun, 09 May 1058 00:00:00 GMT
Compact10580509
In wordsthe 9th of May, one thousand and fifty-eight
Julian calendar equivalent3 May 1058the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew7 Iyyar 4818the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)6 Rabi I 450 AHthe tabular reckoning; the calendar in religious use begins each month on an actual crescent sighting, so expect a day either way
Persian (arithmetic)19 Ordibehesht 437the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die386,190days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-28,768,867,200seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-28,768,867,200,000
Relationship to the epoch332,973 days before the Unix epoch
Julian Day Number2,107,615midnight UTC
Days since 1 January 1900-307,406
Days since 1 January 2000-343,930
Moon phase
PhaseFirst quarterthe instant falls on this UTC day; in time zones far enough east or west the local date is a day either side
Illuminated at 12:00 UTC49%≈to about 1%, by Meeus
Waxing or waningWaxing
Moon age at 12:00 UTC7.9 dayssince the previous new moon
Previous new moon1 May 1058
Next new moon31 May 1058
Previous full moon17 April 1058
Next full moon16 May 1058
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.
Today19 September 2026
Days ago353,688 days
In other terms968 years and 126 days
Weeks50526.9 weeks ago
Anniversary this year133 days ago
Years elapsed968 complete years
Seasons & signs
Zodiac signTaurusEarth sign
Chinese zodiac yearDogthe 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 1058
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