EST and EDT — Eastern Standard Time and Eastern Daylight Time
EST (Eastern Standard Time) means UTC-05:00 and EDT (Eastern Daylight Time) means UTC-04:00: New York keeps EST in winter and EDT in summer.
Current time in EST
10:22:14
Eastern Standard Time · UTC-05:00
Current time in EDT
11:22:14
Eastern Daylight Time · UTC-04:00
About EST and EDT
EST is the winter time of the US East Coast. From March to November the same region uses EDT (UTC-4).
Working with EST and EDT
Other labels for the same offsets: CDT for UTC-05:00, and AST for UTC-04:00. One hour to the west of EST in this directory sits CST (UTC-06:00); one hour to the east, AST (UTC-04:00).
Clock changes in EST and EDT
New York follows the North American rule: clocks go forward on the second Sunday in March and back on the first Sunday in November, at 02:00 local time.
| Date | Change | New offset |
|---|---|---|
| March 14, 2027 | Clocks go forward one hour on Mar 14, 2027 at 02:00, moving from UTC-05:00 to UTC-04:00. | UTC-04:00 |
| November 7, 2027 | Clocks go back one hour on Nov 7, 2027 at 02:00, moving from UTC-04:00 to UTC-05:00. | UTC-05:00 |
Clock history of America/New_York
| Period | Clocks set to | Seasonal changes |
|---|---|---|
| since 1945 | UTC-05:00 | 81 years with a change, 1946–2026 |
| 1942–1945 | UTC-04:00 | none |
| 1900–1942 | UTC-05:00 | 24 years with a change, 1918–1941 |
Who keeps UTC-05:00 and UTC-04:00
Moving between UTC-05:00 and UTC-04:00 through the year: New York, Toronto, Havana, Montreal, Washington, D.C., Boston, Atlanta and Miami.
Countries and territories whose clocks move between UTC-05:00 and UTC-04:00: the Bahamas, parts of Canada, Cuba, Haiti, Turks & Caicos Islands and parts of the United States.
UTC-05:00
All year: Lima, Bogotá and Panama City. Part of the year: Chicago, Houston and Dallas from March 14, 2027 to November 7, 2027.
Countries and territories that keep UTC-05:00 all year, from every entry in the tz database: parts of Brazil, parts of Canada, Cayman Islands, Colombia, parts of Ecuador, Jamaica, parts of Mexico, Panama and Peru. Also on UTC-05:00 for part of the year: parts of Canada, parts of Chile, parts of Mexico and parts of the United States. Where it is kept all year, UTC-05:00 also goes by these names in the tz database: Acre Standard Time, Colombia Standard Time, Ecuador Time and Peru Standard Time.
UTC-04:00
All year: Caracas. Part of the year: Santiago from April 4, 2027 to September 5, 2027.
Countries and territories that keep UTC-04:00 all year, from every entry in the tz database: Anguilla, Antigua & Barbuda, Aruba, Barbados, Bolivia, parts of Brazil, British Virgin Islands, parts of Canada, Caribbean Netherlands, Curaçao, Dominica, the Dominican Republic, Grenada, Guadeloupe, Guyana, Martinique, Montserrat, Puerto Rico, Sint Maarten, St. Barthélemy, St. Kitts & Nevis, St. Lucia, St. Martin, St. Vincent & Grenadines and 3 more. Also on UTC-04:00 for part of the year: Bermuda, parts of Canada, parts of Chile and parts of Greenland. Where it is kept all year, UTC-04:00 also goes by these names in the tz database: Amazon Standard Time, Atlantic Standard Time, Bolivia Time, Guyana Time and Venezuela Time.
| City | Longitude | Solar noon on EST / EDT |
|---|---|---|
| Lima | 77.04°W | 12:08 / 13:08 |
| New York | 74.01°W | 11:56 / 12:56 |
| Bogotá | 74.07°W | 11:56 / 12:56 |
| Santiago | 70.67°W | 11:43 / 12:43 |
| Toronto | 79.38°W | 12:18 / 13:18 |
| Chicago | 87.63°W | 12:51 / 13:51 |
| Houston | 95.37°W | 13:21 / 14:21 |
| Caracas | 66.90°W | 11:28 / 12:28 |
| Havana | 82.37°W | 12:29 / 13:29 |
| Montreal | 73.57°W | 11:54 / 12:54 |
Which of EST and EDT applies today
America/New_York is on EST (UTC-05:00) at the moment. On March 14, 2027, 132 days from the day this page was generated, its clocks move to EDT (UTC-04:00).
A working day on EST and EDT
| Place | EST’s 09:00–17:00 there | EDT’s 09:00–17:00 there | Shared on EST, over the next 12 months | Shared on EDT, over the next 12 months |
|---|---|---|---|---|
| UTC | 14:00–22:00 | 13:00–21:00 | — | — |
| New York | 09:00–17:00 / 10:00–18:00 | 08:00–16:00 / 09:00–17:00 | 7 h to 8 h | 7 h to 8 h |
| London | 14:00–22:00 / 15:00–23:00 | 13:00–21:00 / 14:00–22:00 | 2 h to 3 h | 3 h to 4 h |
| Tokyo | 23:00–07:00 | 22:00–06:00 | none all year | none all year |
At 09:00 on a Monday on EST time, every city in this directory has already reached Monday. By 17:00 on a Friday on EST time, New Delhi, Shanghai, Beijing, Mumbai, Shenzhen, Karachi and 53 more have already reached Saturday. For part of the year, so have Berlin, Madrid, Rome, Paris, Vienna, Warsaw and 12 more.
For the working hours New York shares with London and Tokyo, and for its sunrise and sunset through the year, see the New York page.
How EST and EDT compare with other zones
Right now EST runs ahead of Los Angeles and behind UTC, London, Berlin, Dubai, Kolkata, Singapore, Tokyo and Sydney.
| Zone | UTC offset | Difference from EST | Difference from EDT | Against EST, over the next 12 months |
|---|---|---|---|---|
| UTC | UTC+00:00 | 5h behind | 4h behind | all year |
| London | UTC+00:00 | 5h behind | 4h behind | 5h behind / 6h behind |
| Berlin | UTC+01:00 | 6h behind | 5h behind | 6h behind / 7h behind |
| Dubai | UTC+04:00 | 9h behind | 8h behind | all year |
| Kolkata | UTC+05:30 | 10h 30m behind | 9h 30m behind | all year |
| Singapore | UTC+08:00 | 13h behind | 12h behind | all year |
| Tokyo | UTC+09:00 | 14h behind | 13h behind | all year |
| Sydney | UTC+11:00 | 16h behind | 15h behind | 15h behind / 16h behind |
| Los Angeles | UTC-08:00 | 3h ahead | 4h ahead | 3h ahead / 2h ahead |
Cities using EST and EDT
EST
EDT
Convert EST and EDT to another zone
Related time zones
Time zone rules: IANA tz database release 2026c, applied when this page was generated on 2026-11-02.
Frequently asked questions
What are EST and EDT?
EST is Eastern Standard Time, UTC-05:00, and EDT is Eastern Daylight Time, UTC-04:00. EDT is the daylight saving time of the US East Coast, used from the second Sunday in March to the first Sunday in November.
What is the IANA identifier for EST and EDT?
America/New_York, named after New York. It has moved between UTC-05:00 and UTC-04:00 on the same yearly pattern since 2007.
When is it EST and when is it EDT in New York?
Over the coming year New York is on EDT (UTC-04:00) from March 14, 2027 to November 7, 2027, and on EST (UTC-05:00) until March 14, 2027 and from November 7, 2027. The labels themselves never move: EST always means UTC-05:00 and EDT always means UTC-04:00. Panama City keeps EST all year.
What time is it on EST and EDT when it is 09:00 in London?
On EST: 04:00 until March 28, 2027 and from October 31, 2027; 03:00 from March 28, 2027 to October 31, 2027. On EDT: 05:00 until March 28, 2027 and from October 31, 2027; 04:00 from March 28, 2027 to October 31, 2027.
Is EDT the same as AST?
As labels, both mean UTC-04:00. The places behind them, New York and Halifax, do not keep the same clock for a whole day at any point in the coming year.