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- Master & Chief Mate (Oceans or Near Coastal (Offshore Supply Vessel)) »
- Q204 - Navigation General: Oceans
79. What is the equivalent of 37 min. 32 sec. in arc units?
37 minutes 32 seconds of time is equivalent to 923' of arc because the Earth rotates 15 of arc per hour. Thirty-seven minutes is equal to 555 arcminutes (37 * 15), which is 915'. Thirty-two seconds is equal to 480 arcseconds, or 8 arcminutes (32 * 15). Therefore, the total is 923'.
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