Solstice 2024 Seattle University. And set at 4:20 p.m. March equinox (first day of spring):

Here in seattle, we bid gray winters adieu with a unique tradition of our own: Thursday marked the longest day of the year, with 15 hours, 59 minutes and 18 seconds of daylight — 7 hours and 34 minutes longer than december’s solstice, according to.