When Will Spring Start 2025. Find out the date, how long in days until and count down to till spring 2025 with a countdown clock. Here's when dst begins in 2025.
In 2025, astronomical spring in the northern hemisphere will begin on march 20 at 09:02 utc and in the southern hemisphere — on september 23 at 06:20 utc. After daylight saving time ended in november, clocks will spring forward one hour once again on sunday, march 9, 2025 beginning at 2 a.m.