Time Zone Converter

Pick a date and time, then choose two time zones to see the equivalent time in both. Use it to schedule calls across countries, plan travel, or check “what time is it there?”; no account needed.

Date Format

Time Format

Date *

Time *

From Time Zone *

To Time Zone *

Smart Tips

• Remember that daylight saving time shifts can change the offset between time zones

• UTC (Coordinated Universal Time) is the standard reference for all time zone calculations

• When scheduling international meetings, consider working hours in all participants' time zones

• Some regions don't observe daylight saving time, so check current offsets for accuracy

The Formula

Target Time = Source Time + Time Zone Difference

Source Time = Original time in source timezone
Starting time value

Time Zone Difference = UTC offset difference
Hours between timezones

Target Time = Converted time in target timezone
Account for DST and date line crossing

Time Zones Reference

Global time zones and their UTC offsets for worldwide time conversions

North America

New York (ET)UTC-4
Los Angeles (PT)UTC-7
Chicago (CT)UTC-5
Toronto (ET)UTC-4
Vancouver (PT)UTC-7
Mexico City (CST)UTC-5

Asia Pacific

Tokyo (JST)UTC+9
Singapore (SGT)UTC+8
Hong Kong (HKT)UTC+8
Mumbai (IST)UTC+5:30
Sydney (AEST)UTC+10
Auckland (NZST)UTC+12

Europe Africa

London (GMT)UTC+0
Paris (CET)UTC+1
Berlin (CET)UTC+1
Moscow (MSK)UTC+3
Johannesburg (SAST)UTC+2
Lagos (WAT)UTC+1

South America

São Paulo (BRT)UTC-3
Buenos Aires (ART)UTC-3
Lima (PET)UTC-5
Bogotá (COT)UTC-5

Middle East

Dubai (GST)UTC+4
Riyadh (AST)UTC+3
Cairo (EET)UTC+2
Kuwait City (AST)UTC+3

Oceania

Melbourne (AEST)UTC+10
Perth (AWST)UTC+8
Wellington (NZDT)UTC+13
Fiji (FJT)UTC+12

Key Insights

Daylight Saving Time

Many regions observe DST, shifting clocks forward in spring and back in fall, affecting time zone offsets.

International Date Line

Crossing the International Date Line can change the date by one day, independent of the time conversion.

UTC Reference

UTC (Coordinated Universal Time) serves as the global standard reference for all time zone conversions.

Business Hours

Understanding time zones is crucial for scheduling international meetings and coordinating global business operations.

Frequently Asked Questions

Select a date and time, choose the source timezone, select the target timezone, and click "Convert Time". The calculator will instantly display the converted time with the time difference.

UTC (Coordinated Universal Time) is the primary time standard used worldwide. All time zones are defined as offsets from UTC, making it the universal reference point for time conversions.

Daylight Saving Time shifts clocks forward by one hour in spring and back in fall. Our calculator automatically accounts for DST based on the selected date, adjusting the time difference accordingly.

When crossing the International Date Line, the date changes by one day (forward or backward) while the time remains similar. Our calculator automatically handles this date adjustment.

Yes, our calculator uses the browser's built-in timezone conversion functions which are based on the IANA Time Zone Database, ensuring accurate conversions including DST adjustments.

Our timezone conversions are based on International Atomic Time (TAI), Coordinated Universal Time (UTC), IANA Time Zone Database, and national time zone regulations.

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Converted Time

Enter values to calculate

Note:Time zone conversions account for standard time zones, daylight saving time (DST) rules, and UTC offsets. DST rules vary by country. For critical scheduling, verify current time zone rules.