Central European Time (CET) applies in the Czech Republic.
In the Czech Republic, winter time begins (clocks go back) on the last Sunday in October and ends on the last Saturday in March (CET or Universal Coordinate Time (UTC) + 1).
In the Czech Republic, summer time begins (clocks go forward) on the last Sunday in March and ends on the last Sunday in October (Central European Summer Time (CEST) or UTC + 2).
Time differences between the Czech Republic and selected English-speaking countries:
AFRICAN COUNTRIES: –2 hours to +1 hour ahead of Czech Republic
Cape Town & Johannesburg
AUSTRALIA: +6 hours to +8 hours ahead of Czech Republic
Brisbane & Sydney
CANADA: –9 hours to –5 hours behind Czech Republic
INDIA: +3.5 hours ahead of Czech Republic
NEW ZEALAND: +10 hours or +11 hours ahead of Czech Republic
Auckland & Wellington
PAKISTAN: +3 hours ahead of Czech Republic
UNITED STATES (continental): –9 hours to –6 hours ahead of Czech Republic
Boston, New York & Washington
Los Angeles & San Francisco