Easter holidays in the Czech Republic fall on Easter Sunday and Easter Monday. Most museums, galleries, tourist attractions and restaurants in the center of Prague keep their normal opening hours. Some stores may be on their Sunday (i.e. shortened) opening hours. Stores outside of the center are usually closed. Banks and post offices are closed. Public transport runs on its Sunday schedule.

Easter market opening times
Old Town Square and Wenceslas Square, March 8 - 30, 2008
  Weekdays: 9 a.m. - 7 p.m.
  Weekends: 9 a.m. - 8 p.m.
  Food stands: 9 a.m. - midnight