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South Vietnam time zone was changed to UTC+08:00 from 23:00, 31 December 1959, passing 60 minutes. North Vietnam confirmed official UTC+07:00 from 1 January 1968. Following the Fall of Saigon in April–May 1975, reunified Vietnam then observes UTC+07:00 with Saigon (and other southern parts) delaying 60 minutes on 13 June 1975.
With a coastline of 3,260 km (2,030 mi), excluding islands, Vietnam claims 12 nautical miles (22.2 km; 13.8 mi) as the limit of its territorial waters, an additional 12 nautical miles (22.2 km; 13.8 mi) as a contiguous customs and security zone.
The coastline paradox states that a coastline does not have a well-defined length. Measurements of the length of a coastline behave like a fractal, being different at different scale intervals (distance between points on the coastline at which measurements are taken). The smaller the scale interval (meaning the more detailed the measurement ...
When the time comes to use the chart, he pulls the chart and chart's card, and makes the indicated corrections on the chart. This system ensures that every chart is properly corrected prior to use. A prudent mariner should obtain a new chart if he has not kept track of corrections and his chart is more than several months old.
Time in Vietnam — in Southeast Asia. ... Clock towers in Vietnam (3 P) Pages in category "Time in Vietnam" The following 4 pages are in this category, out of 4 total.
Time on a ship's clocks and in a ship's log had to be stated along with a "zone description", which was the number of hours to be added to zone time to obtain GMT, hence zero in the Greenwich time zone, with negative numbers from −1 to −12 for time zones to the east and positive numbers from +1 to +12 to the west (hours, minutes, and ...
The International Date Line around the antimeridian (180° longitude).. The International Date Line (IDL) is the line extending between the South and North Poles that is the boundary between one calendar day and the next.
Date and time notation in Vietnam; Full date: 7 tháng 2 năm 2025: All-numeric date: 07/02/2025 07-02-2025 07.02.2025 (sometimes) Time: 22:03: Date and time notation ...