Timezone Difference Calculator

Timezone Difference Calculator. Hours between any two zones. Fast, accurate, private.

Uses IANA time zone database offsets

Fixed UTC offsets (no DST). EST=−5, PST=−8, BDT=+6, IST=+5:30.

Local time

From zone

To zone

Converted time

08:30

Steps

Calculate time difference between any two IANA time zones — hours and minutes offset.

Uses IANA time zone database offsets

Are results official?

No — quick estimates only. Confirm with your bank or provider.

Is data saved?

No. Calculations run in your browser.

Where is the full tool?

Each satellite links back to the main hub calculator.