Otherwise each member of the crew would be on duty the same hours every day. By means of the Dog Watches, the watches can be changed every day, so that each watch gets a turn of eight hours rest at night. The next four hours are divided into two Dog Watches-the first Dog Watch, 4pm to 6pm (16:00 to 18:00 hours) and the Second Dog Watch, 6pm to 8pm (18:00 to 20:00 hours). Afternoon Watch, Noon to 4pm (12:00 to 16:00 hours).Forenoon Watch, 8am to Noon (08:00 to 12:00 hours).Vintage Brookstone GIMBAL DESK CLOCK BRASS Nautical Military. Morning Watch, 4am to 8am (04:00 to 08:00 hours) Military Wall Clock TIME 12 Hour Format Wooden Round Clock Wall Decor 10 Inch Decorative Wall Clock Silent Round Wood Wall Clock Hanging Clocks for Bedroom Decor Living Room 3.2 out of 5 stars 40 25.99 25. Vtg Seth Thomas Ohio State Round 13.5' Wall Clock 24 Hour Military Time Clock GC.Middle Watch, Midnight to 4am (00:00 to 04:00 hours).First Watch, 8pm to Midnight (20:00 to 00:00 hours).When the time calls for two or more strokes, they are sounded in groups of two. Nautical Military Time Clock 24 Hour Brass Case Dial 150mm, Find Details and Price about Clock Brass Case Clock from Nautical Military Time Clock 24 Hour Brass Case Dial 150mm - Changzhou KB Instruments & Meter Co., Ltd. Thus eight bells indicates the end of a four-hour watch. Then an additional bell is struck for each succeeding half hour. One stroke of the ship’s bell indicates the first half hour of the watch. This means that if the time in Zulu Zone is 0800Z (8:00 AM), then the time in Alfa Zone is 0900A (9:00 AM), in Bravo Zone 1000B (10:00 AM) and so on. The rest of them represent the time shift by one hour to the East direction.

It is used to determine longitude by comparing Greenwich Mean Time (GMT), and the time at the current location found from observations of celestial bodies. Ship’s bell time originated in sailing ship days, when the crew of a vessel was divided into Port and Starboard Watches, each on duty four hours, then off four hours. Zulu Time Zone is the prime zone, known as UTC+0. A marine chronometer is a precision timepiece that is carried on a ship and employed in the determination of the ship's position by celestial navigation. The following is taken from Chapman’s standard reference book, Piloting, Seamanship and Small Boat Handling: Striking clocks use the traditional ship’s bells. The Atlantis 8-Day Wind Ship's Bell Clock can be mounted to a bulkhead or displayed on a desk or mantel with the optional Mahogany Base.

Nautical military time clock