City-pair directory
City time differences built for meeting decisions.
Compare current local time, date rollover, daylight-saving changes, and shared working-hour overlap before scheduling across global business hubs.
US and Europe
US and Europe time differences
Compare transatlantic working-hour overlap and short seasonal DST gaps.
US and Asia
US and Asia time differences
Check date rollover, narrow workday overlap, and practical handoff windows.
San Francisco to Shanghai Time difference and workday overlap Singapore to San Francisco Time difference and workday overlap Tokyo to New York Time difference and workday overlap Beijing to Los Angeles Time difference and workday overlap New York to Singapore Time difference and workday overlap New York to Tokyo Time difference and workday overlap Los Angeles to Tokyo Time difference and workday overlap San Francisco to Bangalore Time difference and workday overlap
Europe and Asia
Europe and Asia time differences
Find daytime overlap between European and Asian business hubs.
US and Oceania
US and Oceania time differences
Plan around opposite-season DST changes and next-day meeting times.