Navy Time Clock. Naval observatory (usno) provides a wide range of astronomical data and products, and serves as the official source of time for the u.s. Midnight to 4 a.m., 4 to 8 a.m., 8 to 12 n, 12 n to 4 p.m., 4 to 8 p.m., and 8 to midnight.
Web time display from the usno master clock, washington, dc. Web current local time in naval academy, maryland, usa. Web today, usno's precise time department is charged with maintaining the dod reference for precise time and time interval (ptti).
