Are you poised above your thermostat, blanket in one hand, utility bill in the other, contemplating when to give your heating system a well-deserved break? According to new research by heating experts, there’s an exact date you should aim for—and it’s not as far off as you might think! Spring is rolling in, and with it comes the chance to save some cash by turning down the dial. The magic moment for frugal temperature moderation is apparently this upcoming weekend, March 9th. No more guessing games or familial debates over that one chilly room; science has spoken!

So clear your calendar, because when this next weekend hits, it’s time for your radiators to chill out. Let’s embrace the sweater weather a little longer and give our bank accounts a breather. Besides, if there’s anything more satisfying than the first warm day of spring, it’s the ringing silence of a dormant boiler and extra money in your bank account!