ESTtoPSTEastern Standard Time to Pacific Standard Time
EST
Eastern Standard Time (EDT)PST
Pacific Standard Time (PDT)Mutual Working Window: 5 Overlapping Hours
Recommended calling window between EST and PST
Both locations share 5 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between EST and PST.
| EST Time (Eastern Standard Time) | PST Time (Pacific Standard Time) | Status & Recommendation |
|---|---|---|
| 00:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 00:00AM | ⚪ Outside Work Hours |
| 04:00AM | 01:00AM | ⚪ Outside Work Hours |
| 05:00AM | 02:00AM | ⚪ Outside Work Hours |
| 06:00AM | 03:00AM | ⚪ Outside Work Hours |
| 07:00AM | 04:00AM | ⚪ Outside Work Hours |
| 08:00AM | 05:00AM | ⚪ Outside Work Hours |
| 09:00AM | 06:00AM | ⚪ Outside Work Hours |
| 10:00AM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 11:00AM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 13:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 14:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 15:00PM | 12:00PM | 🟢 Ideal Meeting Window |
| 16:00PM | 13:00PM | 🟢 Ideal Meeting Window |
| 17:00PM | 14:00PM | ⚪ Outside Work Hours |
| 18:00PM | 15:00PM | ⚪ Outside Work Hours |
| 19:00PM | 16:00PM | ⚪ Outside Work Hours |
| 20:00PM | 17:00PM | ⚪ Outside Work Hours |
| 21:00PM | 18:00PM | ⚪ Outside Work Hours |
| 22:00PM | 19:00PM | ⚪ Outside Work Hours |
| 23:00PM | 20:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between EST and PST?
PST is 3 hours behind EST. When it is 12:00 PM (noon) in EST, the current synchronized time in PST is 9:00 AM.
What are the overlapping working hours between EST and PST?
There are 5 overlapping standard business hours (9:00 AM – 5:00 PM) between EST and PST. The optimal scheduling window is 12:00 PM – 5:00 PM in EST (9:00 AM – 2:00 PM in PST).
Does daylight saving time affect the conversion between EST and PST?
Yes. Both EST and PST observe seasonal daylight saving time shifts.
What regions and major cities observe EST and PST?
EST (Eastern Standard Time) is primarily observed across Eastern North America (US East Coast & Eastern Canada) (key hubs include New York, Toronto, Miami, Atlanta). PST (Pacific Standard Time) is observed across Western North America (US West Coast & British Columbia) (key hubs include Los Angeles, San Francisco, Seattle, Vancouver).
What is 9:00 AM EST in PST?
9:00 AM in EST corresponds to 6:00 AM in PST. You can cross-reference every hour of the day in the 24-hour visual schedule table above.
Which time zone is ahead, EST or PST?
EST is ahead by 3 hours.