What Time Zone Is Plaza de la Revolución In?
Plaza de la Revolución operates on America/Havana, abbreviated as GMT-5, which is currently UTC-05:00 from Coordinated Universal Time. The IANA Time Zone Database (also known as the tz database or zoneinfo) records this under the identifier America/Havana. That identifier is what your phone, laptop, and every major web service uses when they display a localized time for Plaza de la Revolución.
The designation America/Havana follows the IANA convention of naming zones after the largest city in that timezone region. This naming is geographic, not political, it reflects where the zone is observed, not which government controls it. The full record for this zone, including historical UTC offsets and past DST rule changes, is publicly available in the Wikipedia list of tz database time zones.
UTC Offset: Plaza de la Revolución vs. The World
The current UTC offset in Plaza de la Revolución is UTC-05:00. This means Plaza de la Revolución time is 05:00 hours behind Coordinated Universal Time. To quickly convert: if it's 12:00 UTC right now, it's 17:48 local time in Plaza de la Revolución.
Relative to other major cities: Plaza de la Revolución is 0 hours ahead of New York, and -5 hours behind London (including any DST difference currently in effect). These differences can shift by one hour during DST transitions, which occur on different dates in different regions.
Business Hours in Plaza de la Revolución
Standard business hours in Plaza de la Revolución run from 09:00 to 18:00 local time (America/Havana). In UTC, that window is 14:48 to 23:48 UTC. If you're trying to schedule a call with someone in Plaza de la Revolución:
- From New York: the Plaza de la Revolución business day runs 09:48 to 18:48 New York time.
- From London: the Plaza de la Revolución business day runs 14:48 to 23:48 London time.
Use the hour-by-hour conversion table above for the full 24-hour breakdown.
Daylight Saving Time in Plaza de la Revolución
The DST indicator above shows whether Plaza de la Revolución currently observes Daylight Saving Time. When DST is active, clocks advance by one hour, shifting the UTC offset by +1 and changing the abbreviation (for example, from EST to EDT in New York). When DST ends, clocks fall back and the offset returns to its standard value.
Not all countries observe DST. Japan, China, India, most of Africa, and several other nations maintain a fixed offset year-round. Whether America/Havana observes DST, and the exact dates of transitions, is governed by the rules stored in the IANA Time Zone Database , the same source your phone uses. The Wikipedia article on Daylight Saving Time provides a global map and country-by-country breakdown of DST observance.
Sunrise and Sunset in Plaza de la Revolución
Today in Plaza de la Revolución (23.1°N, 82.4°W), sunrise is approximately 06:53 and sunset is approximately 18:31 local time (America/Havana). These times are calculated using the Spencer equation for solar declination and apply to today's date. Latitude significantly affects day length: cities near the equator see roughly 12 hours of daylight year-round, while high-latitude cities experience dramatic swings, midsummer days can exceed 20 hours near the Arctic Circle, while midwinter days shrink to under 4 hours. At 23.1° latitude, Plaza de la Revolución's day length varies modestly across the year, the tropics maintain relatively stable day lengths.
Best Time to Call Plaza de la Revolución from Abroad
Standard business hours in Plaza de la Revolución run 09:00 to 18:00 local time (America/Havana). For international callers, the ideal window is 10:00 to 16:00 Plaza de la Revolución time : after the morning rush and before the end-of-day slowdown. In UTC, this translates to 15:48 to 21:48 UTC. Avoid calling before 09:00 or after 20:00 Plaza de la Revolución time, these windows fall outside acceptable business etiquette in most professional settings. If you are calling from New York,Plaza de la Revolución business hours correspond to 09:48 to 18:48 Eastern time. From London, that same window is 14:48 to 23:48 GMT/BST.
Plaza de la Revolución Time vs Major World Cities
Right now, Plaza de la Revolución (UTC-05:00) is offset from major business hubs as follows:
- New York: Plaza de la Revolución is the same time as New York right now (UTC-05:00).
- London: Plaza de la Revolución is 5 hours behind London right now (UTC+00:00).
- Dubai: Plaza de la Revolución is 9 hours behind Dubai right now (UTC+04:00).
- Singapore: Plaza de la Revolución is 13 hours behind Singapore right now (UTC+08:00).
- Tokyo: Plaza de la Revolución is 14 hours behind Tokyo right now (UTC+09:00).
- Sydney: Plaza de la Revolución is 16 hours behind Sydney right now (UTC+11:00).
These differences shift by one hour during DST transitions, which occur on different dates in different regions. Always verify the current offset before scheduling.
Geographic Location of Plaza de la Revolución
Plaza de la Revolución sits at 23.1194°N, -82.3920°W. Solar noon, the moment the sun reaches its highest point, occurs at approximately 12:48 local time, when the sun crosses the meridian above Plaza de la Revolución. The IANA timezone America/Havana groups Plaza de la Revolución with nearby cities that share the same legal time, even if they sit at slightly different longitudes and therefore experience solar noon at slightly different moments. Zone boundaries are drawn along political borders and transportation corridors, not strict meridian lines.
Plaza de la Revolución: Size, Population, and Location
Plaza de la Revolución has a population of approximately 139,135 people, placing it among significant regional cities. The city sits at 23°7'N, 82°23'W (decimal: 23.1194°, -82.3920°),23.1 degrees north of the equator.
At 23.1° latitude, Plaza de la Revolución experiences relatively stable day lengths year-round, tropical latitudes see roughly 11-13 hours of daylight in all seasons, with minimal variation between the summer and winter solstice. Today, Plaza de la Revolución sees sunrise at 06:53 and sunset at 18:31 local time. The IANA timezone America/Havana groups Plaza de la Revolución with nearby cities that share the same legal clock, even if they sit at slightly different longitudes with marginally different solar noon times.
Working Hours Overlap: Plaza de la Revolución and Key Partners
Plaza de la Revolución's standard working day (09:00–18:00 local, America/Havana) translates to different hours for common international partners:
- San Francisco (America/Los_Angeles): Plaza de la Revolución's workday runs 06:48 to 15:48 Pacific time.
- Berlin (Europe/Berlin): Plaza de la Revolución's workday runs 15:48 to 00:48 Central European time.
Overlap windows, times when both cities are within 09:00–18:00, are the practical window for real-time collaboration. Use the time difference tool on this site to find the shared working window for any pair of cities.