Understanding the Spring Equinox: Key Facts about the Vernal Equinox
Astronomical spring begins on March 20, 2026. The vernal equinox occurs at 10:46 a.m. EDT that day.
Meteorological spring began earlier, on March 1, 2026. The Old Farmer’s Almanac distinguishes the two starts.
When the equinox occurs
The spring equinox marks the astronomical start of the season. It happens when the Earth’s axis is not tilted toward or away from the sun.
That alignment produces nearly equal daylight and darkness across many latitudes. The Latin roots aequus and nox explain the term equinox.
Local weather outlook for Michigan
Local National Weather Service offices expect cloudy skies on Friday, March 20. Forecasters also warn of a chance of rain or snow throughout the day.
Friday may begin dreary and wet. Sunshine and blooming plants are likely to follow as temperatures moderate.
Daylight across Michigan
Day length will be very similar across several communities on the equinox. The table below shows projected daylight totals for Friday.
| Location | Daylight |
|---|---|
| Detroit | 12 hours, 9 minutes |
| Grand Rapids | 12 hours, 9 minutes |
| Traverse City | 12 hours, 10 minutes |
| Copper Harbor | 12 hours, 10 minutes |
Why daylight varies slightly
Day length shifts depending on east-west and north-south position. Small variations appear even on equinox day.
Filmogaz.com compiled this report using information from the National Weather Service and the Old Farmer’s Almanac. The details explain key facts about the vernal equinox and its local effects.
