April 9
April 9 is the 100th day of the year in the Gregorian calendar; 266 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Aries.
External references
Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.
Astronomy
On April 9 the Sun's declination is approximately +7.5°. 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 April 9.
Position in the year
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.
- 1865 — American Civil War: Confederate General Robert E. Lee surrendered to Ulysses S. Grant at Appomattox Court House. ↗(161 years ago)
- 1940 — Germany invaded Denmark and Norway, beginning the Norwegian Campaign. ↗(86 years ago)
- 1959 — NASA introduced its first seven astronauts, the "Mercury Seven". ↗(67 years ago)
- 2003 — The U.S. Army captured Baghdad; Saddam Hussein's regime collapsed. ↗(23 years ago)
Notable births
Notable deaths
- 1553 — François Rabelais, French Renaissance writer. ↗(473 years ago)
Numerical & calendrical curiosities
| Day-of-year (100) | 2^2 × 5^2 · composite (no) |
|---|---|
| Days remaining (266) | 2 × 7 × 19 |
| Date code DDMMYYYY | 09042026 · no palindrome in next 200 years |
| Sun declination | +7.53° (Cooper approximation) |
| Distance from solstice | 72 days |