time zone
Regions of about 15° of longitude around the world where time is measured on a local scale. Each time zone keeps time slightly differently so that at 12:00 noon the sun will be high in the sky.
Greenwich Meridian Time (GMT) A time standard that is not affected by time zones or seasons. Now called Coordinated Universal Time (UTC). Ground swells Swells that become shorter and steeper as they approach the shore due to shallow water.
A time standard that is not affected by time zones or seasons. Time measured in coordinated universal time, labeled with the term zulu. It is used so that people around the world can communicate about time without regard to individual time zones.
Time measured in Greenwich Mean Time. Coordinated universal time is a newer standard. A time standard that is not affected by time zones or seasons.
go about
Change tack to bring wind to the other side.
Greenwich Mean Time:
GMT for short. Greenwich Meridian Time, also known as Universal Time or Zulu time. A time standard that is not affected by time zones or seasons. It is the time used by navigators in celestial navigation.
A time standard that is not affected by time zones or seasons. It is the time used by navigators in celestial navigation.
Gripe - The tendency of a sailing vessel to head up into the wind when sailing close hauled.
 See also: Stand, Wind, Coordinated universal time, Point, Sailing
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