Free Productivity Tool
Time Zone Converter
Pick two cities and a time to instantly convert between time zones. See UTC offsets, daylight saving status, analog clocks, and a 24-hour business hour overlap chart to schedule calls and meetings across the world.
to
:
5:00 AM in New York = 3:00 PM in London. London is 5h ahead New York.+5h diff
From
New York
USA
5:00 AM
5:00 AM
Mon, Jun 22, 2026
UTC-04DST active
America/New York
To
London
UK
3:00 PM
3:00 PM
Mon, Jun 22, 2026
UTC+01DST activeBusiness hours
Europe/London
+5hTime difference
UTC-04New York offset
UTC+01London offset
DSTNew York
DSTLondon
24-Hour Business Overlap
New York (hours)9 AM to 5 PM = business hours
12AM6AM12PM6PM11PM
Both cities workingNew York workingLondon workingOutside business hours
Hourly Conversion Table
| New York | London | From status | To status |
|---|---|---|---|
| 12AM | 5AM (+1d) | Off hours | Off hours |
| 1AM | 6AM (+1d) | Off hours | Off hours |
| 2AM | 7AM (+1d) | Off hours | Off hours |
| 3AM | 8AM (+1d) | Off hours | Off hours |
| 4AM | 9AM (+1d) | Off hours | Working |
| 5AM (now) | 10AM (+1d) | Off hours | Working |
| 6AM | 11AM (+1d) | Off hours | Working |
| 7AM | 12PM (+1d) | Off hours | Working |
| 8AM | 1PM (+1d) | Off hours | Working |
| 9AM | 2PM (+1d) | Working | Working |
| 10AM | 3PM (+1d) | Working | Working |
| 11AM | 4PM (+1d) | Working | Working |
| 12PM | 5PM (+1d) | Working | Off hours |
| 1PM | 6PM (+1d) | Working | Off hours |
| 2PM | 7PM (+1d) | Working | Off hours |
| 3PM | 8PM (+1d) | Working | Off hours |
| 4PM | 9PM (+1d) | Working | Off hours |
| 5PM | 10PM (+1d) | Off hours | Off hours |
| 6PM | 11PM (+1d) | Off hours | Off hours |
| 7PM | 12AM (-1d) | Off hours | Off hours |
| 8PM | 1AM (-1d) | Off hours | Off hours |
| 9PM | 2AM (-1d) | Off hours | Off hours |
| 10PM | 3AM (-1d) | Off hours | Off hours |
| 11PM | 4AM (-1d) | Off hours | Off hours |
Add more cities to compare
Tips for scheduling across time zones
Always state the time zone explicitly when scheduling international calls, such as 9 AM EST, to avoid ambiguity
The green overlap zones in the 24-hour chart show when both cities are within standard business hours simultaneously
Daylight Saving Time shifts can change the offset between two cities by one hour twice a year on different dates
India, Iran, Nepal, and several other countries use half-hour or quarter-hour UTC offsets rather than full hours
Use the swap button to quickly reverse the conversion and check both directions of a time difference
The live time toggle updates your conversion in real time so you can see the current time in both cities at a glance
Add additional cities below the main result to compare a single source time across multiple destinations at once
The hourly table highlights the current hour so you can scan the full day schedule at a glance
Copy the conversion result to quickly paste it into a meeting invite, Slack message, or email
All conversions use the Intl API and run entirely in your browser with no data sent to any server
