Define Standard Time?
Define Daylight Saving Time?
The practice of advancing clocks (typically by one hour) during the warmer months so that darkness falls at a later time.
Define Local time in a Port?
Any time kept locally.
Define Local Mean Time?
A type of solar time. Timekeeping method using the Sun’s movements across the sky.
Define Zone Time?
The earth is divided into 24 zones. Each segment is 15° in width.
Longitude into Time
Long / 15°. Its main purpose is converting a given long into time so you can convert LMT to UT.