What Time Zone Is Port Sudan In?
Port Sudan operates on Africa/Khartoum, abbreviated as GMT+2, which is currently UTC+02:00 from Coordinated Universal Time. The IANA Time Zone Database (also known as the tz database or zoneinfo) records this under the identifier Africa/Khartoum. That identifier is what your phone, laptop, and every major web service uses when they display a localized time for Port Sudan.
The designation Africa/Khartoum 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: Port Sudan vs. The World
The current UTC offset in Port Sudan is UTC+02:00. This means Port Sudan time is 02:00 hours ahead of Coordinated Universal Time. To quickly convert: if it's 12:00 UTC right now, it's 10:48 local time in Port Sudan.
Relative to other major cities: Port Sudan is 7 hours ahead of New York, and 2 hours ahead of 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 Port Sudan
Standard business hours in Port Sudan run from 09:00 to 18:00 local time (Africa/Khartoum). In UTC, that window is 07:48 to 16:48 UTC. If you're trying to schedule a call with someone in Port Sudan:
- From New York: the Port Sudan business day runs 02:48 to 11:48 New York time.
- From London: the Port Sudan business day runs 07:48 to 16:48 London time.
Use the hour-by-hour conversion table above for the full 24-hour breakdown.
Daylight Saving Time in Port Sudan
The DST indicator above shows whether Port Sudan 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 Africa/Khartoum 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 Port Sudan
Today in Port Sudan (19.6°N, 37.2°E), sunrise is approximately 05:51 and sunset is approximately 17:34 local time (Africa/Khartoum). 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 19.6° latitude, Port Sudan's day length varies modestly across the year, the tropics maintain relatively stable day lengths.
Best Time to Call Port Sudan from Abroad
Standard business hours in Port Sudan run 09:00 to 18:00 local time (Africa/Khartoum). For international callers, the ideal window is 10:00 to 16:00 Port Sudan time : after the morning rush and before the end-of-day slowdown. In UTC, this translates to 08:48 to 14:48 UTC. Avoid calling before 09:00 or after 20:00 Port Sudan time, these windows fall outside acceptable business etiquette in most professional settings. If you are calling from New York,Port Sudan business hours correspond to 02:48 to 11:48 Eastern time. From London, that same window is 07:48 to 16:48 GMT/BST.
Port Sudan Time vs Major World Cities
Right now, Port Sudan (UTC+02:00) is offset from major business hubs as follows:
- New York: Port Sudan is 7 hours ahead of New York right now (UTC-05:00).
- London: Port Sudan is 2 hours ahead of London right now (UTC+00:00).
- Dubai: Port Sudan is 2 hours behind Dubai right now (UTC+04:00).
- Singapore: Port Sudan is 6 hours behind Singapore right now (UTC+08:00).
- Tokyo: Port Sudan is 7 hours behind Tokyo right now (UTC+09:00).
- Sydney: Port Sudan is 9 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 Port Sudan
Port Sudan sits at 19.6175°N, 37.2164°E. Solar noon, the moment the sun reaches its highest point, occurs at approximately 11:48 local time, when the sun crosses the meridian above Port Sudan. The IANA timezone Africa/Khartoum groups Port Sudan 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.
Port Sudan: Size, Population, and Location
Port Sudan has a population of approximately 489,725 people, placing it among significant regional cities. The city sits at 19°37'N, 37°12'E (decimal: 19.6175°, 37.2164°),19.6 degrees north of the equator.
At 19.6° latitude, Port Sudan 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, Port Sudan sees sunrise at 05:51 and sunset at 17:34 local time. The IANA timezone Africa/Khartoum groups Port Sudan 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: Port Sudan and Key Partners
Port Sudan's standard working day (09:00–18:00 local, Africa/Khartoum) translates to different hours for common international partners:
- San Francisco (America/Los_Angeles): Port Sudan's workday runs 23:48 to 08:48 Pacific time.
- Berlin (Europe/Berlin): Port Sudan's workday runs 08:48 to 17:48 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.