EST to UTC Converter
Eastern Standard Time (EST) sits 5 hours behind Coordinated Universal Time (UTC). When it’s midday in New York, London’s already at 5pm. This page helps you convert between these zones instantly.
Convert EST to UTC
Quick Conversions
EST to UTC Conversion Table
This table shows hourly conversions throughout the day. EST runs from midnight to 11pm, whilst UTC moves ahead by five hours.
| EST (24h) | EST (12h) | UTC (24h) | UTC (12h) |
|---|---|---|---|
| 00:00 | 12:00 AM | 05:00 | 5:00 AM |
| 01:00 | 1:00 AM | 06:00 | 6:00 AM |
| 02:00 | 2:00 AM | 07:00 | 7:00 AM |
| 03:00 | 3:00 AM | 08:00 | 8:00 AM |
| 04:00 | 4:00 AM | 09:00 | 9:00 AM |
| 05:00 | 5:00 AM | 10:00 | 10:00 AM |
| 06:00 | 6:00 AM | 11:00 | 11:00 AM |
| 07:00 | 7:00 AM | 12:00 | 12:00 PM |
| 08:00 | 8:00 AM | 13:00 | 1:00 PM |
| 09:00 | 9:00 AM | 14:00 | 2:00 PM |
| 10:00 | 10:00 AM | 15:00 | 3:00 PM |
| 11:00 | 11:00 AM | 16:00 | 4:00 PM |
| 12:00 | 12:00 PM | 17:00 | 5:00 PM |
| 13:00 | 1:00 PM | 18:00 | 6:00 PM |
| 14:00 | 2:00 PM | 19:00 | 7:00 PM |
| 15:00 | 3:00 PM | 20:00 | 8:00 PM |
| 16:00 | 4:00 PM | 21:00 | 9:00 PM |
| 17:00 | 5:00 PM | 22:00 | 10:00 PM |
| 18:00 | 6:00 PM | 23:00 | 11:00 PM |
| 19:00 | 7:00 PM | 00:00 | 12:00 AM (next day) |
| 20:00 | 8:00 PM | 01:00 | 1:00 AM (next day) |
| 21:00 | 9:00 PM | 02:00 | 2:00 AM (next day) |
| 22:00 | 10:00 PM | 03:00 | 3:00 AM (next day) |
| 23:00 | 11:00 PM | 04:00 | 4:00 AM (next day) |
Conversion Formula
Converting EST to UTC requires adding 5 hours to the Eastern Standard Time. The maths is straightforward.
Formula: UTC Time = EST Time + 5 hours
Offset: EST is UTC-5 (5 hours behind UTC)
Step-by-Step Method
Here’s how you work through the conversion manually:
- Take your EST time (e.g., 3:00 PM)
- Add 5 hours to that time (3:00 PM + 5 = 8:00 PM)
- The result is your UTC time (8:00 PM UTC)
- Check if you’ve crossed midnight — times after 7:00 PM EST roll into the next day
Common Conversions
These times come up frequently in business hours and international meetings.
| Scenario | EST Time | UTC Time |
|---|---|---|
| Start of business (US East Coast) | 9:00 AM | 2:00 PM |
| Lunch hour | 12:30 PM | 5:30 PM |
| End of business day | 5:00 PM | 10:00 PM |
| Evening news | 6:00 PM | 11:00 PM |
| Prime time TV | 8:00 PM | 1:00 AM (next day) |
| Late night | 11:00 PM | 4:00 AM (next day) |
Time Zone Background
What is EST?
Eastern Standard Time applies across much of North America’s eastern seaboard. Cities like New York, Toronto, and Miami use this zone during autumn and winter months. The timezone sits 5 hours behind UTC, written as UTC-5.
EST covers parts of 23 US states, three Canadian provinces, and several Caribbean nations. It’s North America’s most populous timezone. Major financial markets and media centres operate on this schedule.
What is UTC?
Coordinated Universal Time serves as the world’s time standard. It replaced Greenwich Mean Time (GMT) as the global reference point. UTC doesn’t observe daylight saving changes.
Scientists use atomic clocks to keep UTC precise. The system helps coordinate everything from flight schedules to computer networks. When someone says “Zulu time” in aviation or military contexts, they mean UTC.
EST vs EDT
Don’t confuse EST with EDT (Eastern Daylight Time). During daylight saving months (roughly March to November), clocks spring forward one hour. EDT becomes UTC-4 instead of UTC-5.
Most of the eastern US and Canada switch between EST and EDT annually. Some places like parts of Indiana and all of Arizona don’t participate in the changes.
Meeting Scheduler
Planning calls between EST and UTC zones requires careful timing. Here’s what works best for both parties.
| EST Time Window | UTC Time Window | Suitability |
|---|---|---|
| 8:00 AM – 10:00 AM | 1:00 PM – 3:00 PM | Early for EST, afternoon for UTC |
| 9:00 AM – 12:00 PM | 2:00 PM – 5:00 PM | Best overlap for business |
| 12:00 PM – 1:00 PM | 5:00 PM – 6:00 PM | Lunch (EST), end of day (UTC) |
| 1:00 PM – 3:00 PM | 6:00 PM – 8:00 PM | Afternoon (EST), evening (UTC) |
Related Time Conversions
If you’re working with EST, you might also need these timezone conversions.
| From | To | Time Difference | Method |
|---|---|---|---|
| EST | GMT/BST | 5 hours (GMT) / 4 hours (BST) | Add 5 hours (winter) or 4 hours (summer) |
| EST | CST | 1 hour | Subtract 1 hour |
| EST | PST | 3 hours | Subtract 3 hours |
| EST | CET | 6 hours | Add 6 hours |
| EST | IST (India) | 10.5 hours | Add 10 hours 30 minutes |
| EST | AEDT (Sydney) | 16 hours | Add 16 hours |