How Many Days Till Spring 2025 Start Date. This date also marks the first week of march and 1st quarter (q1) of 2025. So, back to the original question:
In the northern hemisphere, the astronomical start of spring, also known as the spring equinox, will occur on thursday, march 20, at 5:01 am edt in 2025. How many days until spring 2025 welcome to our spring countdown website, your ultimate destination for celebrating the arrival of spring and all the joys it brings!