Timezone conversion
GMT to UTC Time — Convert Greenwich Mean Time to Coordinated Universal Time
UTC is currently 1 hour behind GMT. The gap shifts across the year: around January it is the same time as GMT, and around July it is 1 hour behind GMT, because one or both zones observe daylight saving.
UTC is currently 1 hour behind GMT.
GMT • BST (UTC+1)
6:15 PM
Wednesday, Jul 8
UTC • UTC (UTC+0)
5:15 PM
Wednesday, Jul 8
Abbreviation disambiguation
GMT here means Greenwich Mean Time. Note: equals UTC; UK winter time
Interactive converter
12:00PM
12
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Full GMT to UTC conversion table
| GMT | UTC |
|---|---|
| 12:00 AM | 11:00 PM(previous day) |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Daylight saving and how the gap changes
Around January the GMT → UTC offset is the same time as GMT. Around July it is 1 hour behind GMT. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.
Frequently asked questions
- Is UTC ahead of or behind GMT right now?
- UTC is currently 1 hour behind GMT.
- What is the current GMT to UTC time difference?
- Right now the gap is 1 hour behind — UTC is 1 hour behind GMT.
- Does the GMT → UTC offset change during the year?
- Yes. Around January the offset is the same time as GMT; around July it is 1 hour behind GMT. The converter above always reflects the correct offset for the date you pick.
- Does GMT observe daylight saving time?
- Yes — Greenwich Mean Time observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.
- Does UTC observe daylight saving time?
- No — Coordinated Universal Time stays at a fixed UTC offset year-round.
- What time is 9 AM GMT in UTC?
- 9:00 AM GMT is 8:00 AM UTC.
- What time is 12 PM (noon) GMT in UTC?
- 12:00 PM GMT is 11:00 AM UTC.
- What time is 5 PM GMT in UTC?
- 5:00 PM GMT is 4:00 PM UTC.
- When is the best time to schedule a call between GMT and UTC?
- The working-hours overlap (09:00–17:00 in both zones) runs roughly 10:00 AM – 5:00 PM GMT (≈ 7 hours). Mid-morning GMT is usually the safest window for a live call.
- What time zone does GMT refer to?
- GMT refers to Greenwich Mean Time (IANA: Europe/London).
- What time zone does UTC refer to?
- UTC refers to Coordinated Universal Time (IANA: UTC).
- Is GMT on this page the same as other zones that share the letters "GMT"?
- On Clockjumper, GMT means Greenwich Mean Time. Disambiguation: equals UTC; UK winter time