GMT to PST Converter & Meeting Planner
Quick answer: 9:00 AM GMT = 1:00 AM PST (fixed +00:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Greenwich Mean Time (GMT) and Pacific Standard Time (PST)? You need to account for the standard time difference. Pacific Standard Time is normally 8 hours behind Greenwich Mean Time. Whether you are coordinating between teams in London and Dublin and Los Angeles and San Francisco, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM GMT = 4:00 PM PST. The full 24-hour GMT to PST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM GMT = 7:00 AM PST.
| GMT Time | PST Time |
|---|---|
| 12:00 AM (00:00) | 4:00 PM (16:00)-1 day |
| 1:00 AM (01:00) | 5:00 PM (17:00)-1 day |
| 2:00 AM (02:00) | 6:00 PM (18:00)-1 day |
| 3:00 AM (03:00) | 7:00 PM (19:00)-1 day |
| 4:00 AM (04:00) | 8:00 PM (20:00)-1 day |
| 5:00 AM (05:00) | 9:00 PM (21:00)-1 day |
| 6:00 AM (06:00) | 10:00 PM (22:00)-1 day |
| 7:00 AM (07:00) | 11:00 PM (23:00)-1 day |
| 8:00 AM (08:00) | 12:00 AM (00:00) |
| 9:00 AM (09:00) | 1:00 AM (01:00) |
| 10:00 AM (10:00) | 2:00 AM (02:00) |
| 11:00 AM (11:00) | 3:00 AM (03:00) |
| 12:00 PM (12:00) | 4:00 AM (04:00) |
| 1:00 PM (13:00) | 5:00 AM (05:00) |
| 2:00 PM (14:00) | 6:00 AM (06:00) |
| 3:00 PM (15:00) | 7:00 AM (07:00) |
| 4:00 PM (16:00) | 8:00 AM (08:00) |
| 5:00 PM (17:00) | 9:00 AM (09:00) |
| 6:00 PM (18:00) | 10:00 AM (10:00) |
| 7:00 PM (19:00) | 11:00 AM (11:00) |
| 8:00 PM (20:00) | 12:00 PM (12:00) |
| 9:00 PM (21:00) | 1:00 PM (13:00) |
| 10:00 PM (22:00) | 2:00 PM (14:00) |
| 11:00 PM (23:00) | 3:00 PM (15:00) |
Best time to call Los Angeles from London
For most work calls, compare the normal business day in London (GMT) with the business day in Los Angeles (PST). GMT commonly covers Europe, Africa, while PST is mainly associated with North America.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
⚠️ There is no clean same-day business-hours overlap on 2026-07-05. A practical compromise is around 5:00 PM GMT, which reaches 9:00 AM PST near the start of their workday.
- DST Safety: GMT or PST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- London Stock Exchange: 08:00-16:30 local time in London.
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Frequently Asked Questions
What is the time difference between GMT and PST?
During standard time, Pacific Standard Time is 8 hours behind Greenwich Mean Time.
What is the difference between GMT and BST?
GMT (Greenwich Mean Time) is the UK's standard winter offset at UTC+0, observed from the last Sunday in October through the last Sunday in March. BST (British Summer Time) is the daylight saving offset at UTC+1, applied each summer when clocks advance one hour.
Is GMT the same as UTC?
GMT and UTC share exactly the same numerical offset — both represent UTC+00:00 — but they are fundamentally different in nature. UTC is an atomic-clock-based international time standard used as the global reference, while GMT is a geographic time zone legally observed by specific countries including the United Kingdom and Ireland during winter months.
What is the difference between PST and PDT?
PST (Pacific Standard Time) is the winter offset at UTC-8, observed from the first Sunday in November through the second Sunday in March. PDT (Pacific Daylight Time) is the summer offset at UTC-7, active when Daylight Saving Time shifts clocks forward by one hour.
Which major cities observe Pacific Standard Time?
Major cities that observe Pacific Standard Time include Los Angeles, San Francisco, Seattle, Las Vegas, Vancouver, and Tijuana.