World Clock
Compare current times in cities worldwide with daylight-saving-aware IANA time zones and 12-hour or 24-hour display.
City clocks
Times are calculated in your browser using IANA time zones. An internet connection is not required after the page loads.
UTC offsets and daylight-saving adjustments are supplied by the browser's time-zone database. A city name is a display label; the IANA time zone is the time source.
Before you use World Clock
For World Clock, enter values using the units shown beside each field. Check whether rates are annual or monthly, whether dates are inclusive, and whether the calculation uses assumptions or statutory rules. Use sample figures first to understand the result.
Check the result
Check the inputs and units, compare the result with a second calculation for an important decision, and save the assumptions used. Results are estimates and may not reflect current laws, provider terms, fees, taxes, or individual eligibility.
Common questions
Are the results guaranteed or official?
No. Results depend on the inputs and assumptions; confirm important tax, payroll, investment, or legal matters with the relevant official source or a qualified professional.
Why does my result differ from another calculator?
Calculators may use different rounding, dates, compounding frequency, eligibility rules, or assumptions.
What should I keep with the result?
Record the inputs, units, date checked, and any assumptions so the estimate can be reviewed later.
Privacy reminder: Do not use confidential or personal files unless you are authorised to process them and are comfortable with the tool’s processing method. Keep a backup of important source files.