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Good times to call
How the time difference works
The Earth is divided into 24 time zones around the prime meridian. When it is noon in London (UTC+0), it is 7am in New York (UTC-5) and 8pm in Beijing (UTC+8).
UTC offset
Every zone is defined by its offset from UTC. The converter reads the real offset, including daylight saving changes.
DST aware
Daylight Saving Time is applied automatically — offsets update as zones move between standard and summer time.
Meeting planner
The converter suggests overlapping business hours so you can pick a time that works for both cities.
Plan your whole trip budget
Once you know the time difference, see what the whole journey will cost.
Travel Budget Calculator