National Gallery opening hours:
Tue-Sun 10 am – 6 pm
(closed on Mondays, but often open on national holidays)
Budapest History Museum opening hours:
1 March – 31 October
Tuesday – Sunday 10 am – 6 pm,
November 1 – February 29
Tuesday – Sunday 10 am – 4 pm (closed on Mondays, but often open on national holidays)