Time difference
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US time zones 
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Canada time zones 
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Europe time zones 
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Australia time zones 
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Mexico time zones 
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DST Calendar
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| US vs Canada
| US vs Europe.
Daylight saving time
USA
Canada
Europe
Australia
Mexico
1 Time zone:
Eastern Time EST / EDT 
UTC -5 
(in winter) UTC -4 
(in summer)
Massachusetts is in the Eastern Time zone in US.
It is -5h behind Greenwich Time
and -4h in daylight saving time.
| The entire state of Massachusetts uses the Eastern time zone UTC -5 and observes daylight saving time with UTC -4. | |
| A - M | M - Z |
Boston  |
Medford |
| Brockton | New Bedford |
| Brookline | Newton |
| Cambridge | Peabody |
| Chicopee | Quincy |
| Fall River | Revere |
| Framingham | Somerville |
| Haverhill | Springfield |
| Lawrence | Taunton |
| Lowell | Waltham |
| Lynn | Weymouth Town |
| Malden | Worcester |
Capital 
Most populous city
Time change US
Time change Europe
Time change México
Central American time changeNone of the Central American countries observe DST throughout the year
during the summer period:Chile, and (Easter Island of Chile), and Paraguay. The rest of the countries of South America, do not observe DST throughout the year
Caribbean: Bahamas - Bermuda - Cuba (Havana) (Santiago de Cuba) - Haiti (Port-au-Prince ) Turks and Caicos Islands - Dominican Republic (Punta Cana) (Santo Domingo)| Year | Daylight Saving Start (+1h) | Daylight Saving End (-1h) |
| 2020 | Sunday, March 8, 2:00 | Sunday, November 1, 2:00 |
| 2021 | Sunday, March 14, 2:00 | Sunday, November 7, 2:00 |
| 2022 | Sunday, March 13, 2:00 | Sunday, November 6, 2:00 |
| 2023 | Sunday, March 12, 2:00 | Sunday, November 5, 2:00 |
| 2024 | Sunday, March 10, 2:00 | Sunday, November 3, 2:00 |
| 2025 | Sunday, March 9, 2:00 | Sunday, November 2, 2:00 |
| 2026 | Sunday, March 8, 2:00 | Sunday, November 1, 2:00 |
| 2027 | Sunday, March 14, 2:00 | Sunday, November 7, 2:00 |
| 2028 | Sunday, March 12, 2:00 | Sunday, November 5, 2:00 |
| 2029 | Sunday, March 11, 2:00 | Sunday, November 4, 2:00 |
| USA time Zone Map with current local time and time zone |
||
Example
3 Symbols are used to indicate the time zones: Summer, Standard or Winter, and No dst.
The current time zone is shown on the right side of the locality.
Daylight Saving Time or summer time, -except Lord Howe Island- it is 1h. more with respect to the standard o local time zone.
Winter Time or Standard local time UTC/ GMT, is the one used the rest of the year, when there is no DST summer time.
Do not use daylight saving time throughout the year. (No Daylight Saving Time). The whole year uses the same time zone.
The hours +1h. +2h. etc. o -1h. -2h. etc. which appear to the right side of to the Locality, inticate the Current Time Zone of the Locality just at the time of consultation.
For example, if the symbol appears on the clock and you want to know the local time zone, the (UTC/GMT), you must subtract one hour (except Lord Howe 30 minutes)
it corresponds just with the standard time zone of the locality UTC/GMT, or the winter time.
The time with the symbol , as well as the winter symbol, corresponds to the local time or standard UTC/GMT time zone, with the difference that the time zone does not change throughout the year.
