President Trump on Monday threw his support behind efforts to keep the United States permanently on daylight saving time, which took effect Sunday morning.

“Making Daylight Saving Time permanent is O.K. with me!” Trump tweeted.

California and several other states are considering measures that would end the biannual clock changes between standard and daylight saving time.

Three GOP lawmakers from Florida introduced legislation in Congress this month that would end the November clock change from daylight saving time back to standard time. The measures, introduced by Sens. Marco Rubio and Rick Scott and Rep. Vern Buchanan, would keep the country in daylight saving time, the clock change made in early March that is observed by most states for eight months of the year.

Rubio introduced a similar measure in 2018. That bill did not advance in the Senate.