• Thumbnail for DUT1
    precision atomic clocks. DUT1 = UT1 − UTC UTC is maintained via leap seconds, such that DUT1 remains within the range −0.9 s < DUT1 < +0.9 s. The reason for...
    4 KB (444 words) - 11:31, 19 March 2024
  • Thumbnail for Coordinated Universal Time
    difference between UTC and Universal Time, DUT1 = UT1 − UTC, and introduces discontinuities into UTC to keep DUT1 in the interval (−0.9 s, +0.9 s). As with...
    51 KB (5,923 words) - 06:15, 23 March 2024
  • positive DUT1 values from +0.1s to +0.8s. For example, bit 05B is set if DUT1 ≥ 0.5 s. Consecutive bits from 09B–16B are set to 1 to indicate negative DUT1 values...
    23 KB (2,345 words) - 13:42, 24 November 2023
  • the second) to encode DUT1 and dUT1. Using these values, UT1 may be computed as: UT1 = UTC + DUT1 × 0.1 s + dUT1 × 0.02 s DUT1 may vary between −8 and...
    4 KB (447 words) - 10:07, 20 December 2023
  • Definitions: LS = TAI – UTC = Leap Seconds from USNO Table of Leap Seconds DUT1 = UT1 – UTC published in IERS Bulletins or U.S. Naval Observatory EO DTT...
    24 KB (3,199 words) - 14:48, 10 March 2024
  • following: day 66 (March 6) of 2008 for the minute beginning at 07:30:00 UTC DUT1 is −0.3 seconds (therefore, UT1 is 07:29:59.7) DST is not in effect today...
    51 KB (5,533 words) - 13:42, 24 November 2023
  • marked by 5 consecutive 1 bits. dUT1 is an additional, higher-precision correction to DUT1. UT1 = UTC + DUT1 + dUT1. Bits with a weight of ± are 0 for...
    10 KB (589 words) - 13:16, 24 November 2023
  • Thumbnail for Double Irish arrangement
    dutch sandwich and DUT1 is described as the "dutch slice" (sitting between IRL1 and IRL2). Thus, with the addition of IRL2 and DUT1, we have the "Double...
    169 KB (16,807 words) - 03:20, 20 February 2024
  • Drinking-up time, a former feature of United Kingdom alcohol licensing law DUT1 or DUT, a value used for time correction Unalaska Airport (IATA airport code...
    754 bytes (130 words) - 05:13, 20 February 2023
  • Bulletin C provides announcements of leap seconds. Bulletin D provides DUT1 = (UT1 − UTC) to a 0.1 second precision. Astrometry International Atomic...
    6 KB (553 words) - 18:36, 13 September 2023