when is baseball opening day

For the 2026 Major League Baseball season, Opening Day is effectively Thursday, March 26, 2026, with one national “Opening Night” game on Wednesday, March 25.

Quick Scoop

• The very first regular-season game is Yankees at Giants on Wednesday, March 25, 2026 , in San Francisco (often billed as an Opening Night showcase).

• The main league-wide MLB Opening Day is Thursday, March 26, 2026 , when most of the 30 teams play their first game.

• A few remaining clubs open on Friday, March 27, 2026 , but those are still considered part of “opening weekend” rather than the primary Opening Day.

Why you may see different dates

• Some calendars and holidays list “Major League Baseball Opening Day” as March 26, 2026 , because that is when all or almost all teams are in action.

• Media previews and schedule breakdowns highlight that the season technically starts March 25 due to the Yankees–Giants night game, then rolls into the big slate on March 26 and the remaining games on March 27.

TL;DR

If you are asking “when is baseball Opening Day?” for MLB in 2026, the date most fans and schedule sites point to is Thursday, March 26, 2026 , with a marquee Opening Night game the evening before.

Information gathered from public forums or data available on the internet and portrayed here.