Recognised as Date
1 October 1498
- Saturday
- Q4
- Common year
- Week 39
- Libra
1 October 1498 falls on a Saturday in the proleptic Gregorian calendar, which did not yet exist at the time. It is day 274 of 365 in 1498, falling in week 39 and quarter 4. Its Unix timestamp is -14,871,254,400. A first quarter falls on this day.
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 year274 of 365
Days remaining in the year91
Days elapsed in the year273
ISO week numberWeek 39ISO 8601, weeks start on Monday
Week of the month1st
Occurrence in the month1st Saturday
QuarterQ4 1498
Year1498
Days in the month31
Leap yearNo, 365 days
This date in other formats
ISO 86011498-10-01
British (D/M/Y)01/10/1498
American (M/D/Y)10/01/1498
Long formSaturday 1st October 1498
RFC 2822Sat, 01 Oct 1498 00:00:00 GMT
Compact14981001
In wordsthe 1st of October, one thousand, four hundred and ninety-eight
Julian calendar equivalent22 September 1498the date contemporaries would have written, before the Gregorian calendar existed
This date in other calendars
Hebrew6 Tishri 5259the Hebrew calendar has been fully algorithmic since the ninth century, so this is exact
Islamic (tabular)5 Safar 904 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 Mehr 877the arithmetic (Birashk) calendar; the official Solar Hijri calendar takes its new year from the astronomical equinox at Tehran
Rata Die547,042days since 1 January 1 CE in the proleptic Gregorian calendar, the pivot every conversion here runs through
Unix time & day counts
Unix timestamp-14,871,254,400seconds since 1 January 1970, midnight UTC
Unix timestamp (ms)-14,871,254,400,000
Relationship to the epoch172,121 days before the Unix epoch
Julian Day Number2,268,467midnight UTC
Days since 1 January 1900-146,554
Days since 1 January 2000-183,078
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 UTC6.6 dayssince the previous new moon
Previous new moon24 September 1498
Next new moon24 October 1498
Previous full moon9 September 1498
Next full moon9 October 1498
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.
Today18 September 2026
Days ago192,835 days
In other terms527 years, 348 days and 6 hours
Weeks27547.9 weeks ago
Anniversary this yearin 13 days
Years elapsed527 complete years
Seasons & signs
Zodiac signLibraAir 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 year17 April 1498
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