Recognised as Date
31 October 1426
- Tuesday
- Q4
- Common year
- Week 44
- Scorpio
31 October 1426 falls on a Tuesday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 304 of 365 in 1426, falling in week 44 and quarter 4. Its Unix timestamp is -17,140,809,600.
Calendar position
Day of the weekTuesdayproleptic Gregorian; contemporaries used the Julian calendar and would have named a different day
Day of the month31st
Day of the year304 of 365
Days remaining in the year61
Days elapsed in the year303
ISO week numberWeek 44ISO 8601, weeks start on Monday
Week of the month5th
Occurrence in the month5th Tuesday, and the last of the month
QuarterQ4 1426
Year1426
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011426-10-31
British (D/M/Y)31/10/1426
American (M/D/Y)10/31/1426
Long formTuesday 31st October 1426
RFC 2822Tue, 31 Oct 1426 00:00:00 GMT
Compact14261031
In wordsthe 31st of October, one thousand, four hundred and twenty-six
Julian calendar equivalent22 October 1426the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew21 Marheshvan 5187the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)19 Dhu al-Hijjah 829 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 Aban 805the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die520,774days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-17,140,809,600seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-17,140,809,600,000
Relationship to the epoch198,389 days before the Unix epoch
Julian Day Number2,242,199midnight UTC
Days since 1 January 1900-172,822
Days since 1 January 2000-209,346
Moon phase
PhaseWaning gibbousthe same phase everywhere on Earth at the same instant
Illuminated at 12:00 UTC67%≈to about 1%, by Meeus
Waxing or waningWaning
Moon age at 12:00 UTC21.2 dayssince the previous new moon
Previous new moon10 October 1426
Next new moon8 November 1426
Previous full moon25 October 1426
Next full moon24 November 1426
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 ago219,103 days
In other terms599 years, 318 days and 6 hours
Weeks31300.4 weeks ago
Anniversary this yearin 43 days
Years elapsed599 complete years
Seasons & signs
Zodiac signScorpioWater sign
Chinese zodiac yearHorsethe animal changes at Chinese New Year, not 1 January
Season (Northern Hemisphere)Autumnmeteorological seasons, by whole months
Season (Southern Hemisphere)Spring
Easter Sunday that year2 April 1426
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Adjacent days
The same day in other years
Nerdulate something else
Nothing in mind? Surprise me · today’s page