WikiDay
HomeAll days › May 13

May 13

Day 134 of 366 · ISO week 20 · Taurus · Spring (Northern Hemisphere)

May 13 is the 134th day of the year in the Gregorian calendar; 232 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Taurus.

Day of year
134
Days remaining
232
ISO week
20
Zodiac
Taurus
Season
Spring
Sun declination
+18.5°

External references

Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.

Wikipedia: this day →Britannica: this day →LoC: Today in History →History.com: this day →On-This-Day.com →BBC: On This Day →NYT: this day →Time and Date →NASA APOD archive →U.S. Naval Observatory →Wolfram|Alpha →Wikidata →Google Books →JSTOR →Internet Archive →
— ad slot (replace with AdSense ins tag) —

Astronomy

Solar declination through the year — the Sun's apparent latitude on Earth. May 13 ≈ +18.5°
+23° −23° +18.5°
Computed via Cooper's formula. Positive declination = Sun north of the celestial equator (Northern Hemisphere summer).

On May 13 the Sun's declination is approximately +18.5°. At this latitude the Sun is north of the celestial equator, giving the Northern Hemisphere longer days than nights.

For specific rise/set times at your location, see the U.S. Naval Observatory, or the NASA APOD archive for any imagery published on a May 13.

Position in the year

Position in the calendar year — day 134 of 366 (with 232 remaining)
JanFebMarAprMayJunJulAugSepOctNovDec May 13

Holidays & observances

No widely-observed holidays catalogued for this day in our base set. See the external almanacs above for region-specific observances.

Events

A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.

Notable births

Notable deaths

Numerical & calendrical curiosities

Day-of-year (134)2 × 67 · composite (no)
Days remaining (232)2^3 × 29
Date code DDMMYYYY13052026 · no palindrome in next 200 years
Sun declination+18.54° (Cooper approximation)
Distance from solstice38 days

Cross-references

The 13th of every other month

Adjacent days

Days nearby

Themes: jamestownblood-toil-tearsjohn-paul-shot

All days