BST Pacific to EST Converter
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Quick answers
Selected conversion
11:00 pm23:00 BST (UTC+11), Oct 12, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 12, 2026
BST is 15 hours ahead of EDT.
BST and EST (US winter time, UTC-5) examples
These examples always use BST (UTC+11) and EST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
BST is 16 hours ahead of EST.
EST is US Eastern winter time (early November to mid-March). The rest of the year New York uses EDT (UTC-4), one hour later. For Eastern Time that follows daylight saving time, use BST-PACIFIC to ET. For daylight-time examples, use BST-PACIFIC to EDT.
How the time difference changes
For most of the year, BST Pacific is 15 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, BST Pacific is 16 hours ahead of EST.
For most of the year, working hours of 9:00 am to 5:00 pm in BST Pacific correspond to 6:00 pm (previous day) to 2:00 am in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in BST Pacific correspond to 5:00 pm (previous day) to 1:00 am in EST.For most of the year, working hours of 09:00 to 17:00 in BST Pacific correspond to 18:00 (previous day) to 02:00 in EDT. At other times of the year, working hours of 09:00 to 17:00 in BST Pacific correspond to 17:00 (previous day) to 01:00 in EST.
Compare BST time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Bougainville Standard Time is 15 hours ahead of Eastern Daylight Time.
11:00 pm23:00 in BST is 8:00 am08:00 in EDT
BST to EDT call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in BST which corresponds to 5pm-6pm17:00-18:00 in EDT (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
11:00 pm23:00 Bougainville Standard Time (BST). Offset UTC +11:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:00 pm23:00 BST / 8:00 am08:00 EDT
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Bougainville Standard Time
Offset: BST is 11 hours ahead of Greenwich Mean Time (GMT).
Daylight Saving: Clocks in Bougainville Standard Time (BST) do not change for daylight saving time, so BST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
BST representations, usage and related time zones
- +11 - basic short
- +1100 - basic
- +11:00 - extended
- +1100 - sign character (+) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the east of the zero meridian.
- Lima - Military abbreviation for BST
- L - short form of 'Lima'
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- AEDT - Australian Eastern Daylight Time
- BST - Bougainville Standard Time
- KOST - Kosrae Time
- L - Lima Time Zone
- LHDT - Lord Howe Daylight Time
- MAGT - Magadan Time
- NCT - New Caledonia Time
- NFT - Norfolk Time
- PETT - Kamchatka Time
- PONT - Pohnpei Standard Time
- SBT - Solomon IslandsTime
- VLAST - Vladivostok Summer Time
- VUT - Vanuatu Time
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today the lighter areas are on UTC−4 (EDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone