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  2. Terrestrial Time - Wikipedia

    en.wikipedia.org/wiki/Terrestrial_Time

    TT differs from Geocentric Coordinate Time (TCG) by a constant rate. Formally it is defined by the equation = +, where TT and TCG are linear counts of SI seconds in Terrestrial Time and Geocentric Coordinate Time respectively, is the constant difference in the rates of the two time scales, and is a constant to resolve the epochs (see below).

  3. International Atomic Time - Wikipedia

    en.wikipedia.org/wiki/International_Atomic_Time

    [b] TAI was henceforth a realisation of TT, with the equation TT(TAI) = TAI + 32.184 s. [ 16 ] The continued existence of TAI was questioned in a 2007 letter from the BIPM to the ITU-R which stated, "In the case of a redefinition of UTC without leap seconds, the CCTF would consider discussing the possibility of suppressing TAI, as it would ...

  4. ΔT (timekeeping) - Wikipedia

    en.wikipedia.org/wiki/ΔT_(timekeeping)

    TT-UT1 2000+ ΔT vs. time from 1657 to 2022 [1] [2] In precise timekeeping, ΔT (Delta T, delta-T, deltaT, or DT) is a measure of the cumulative effect of the departure of the Earth's rotation period from the fixed-length day of International Atomic Time (86,400 seconds).

  5. Cái Tàu Hạ - Wikipedia

    en.wikipedia.org/wiki/Cái_Tàu_Hạ

    This article about a location in Đồng Tháp Province, Vietnam is a stub. You can help Wikipedia by expanding it.

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  7. Sa Pa - Wikipedia

    en.wikipedia.org/wiki/Sa_Pa

    Sa Pa District is in Lào Cai Province, northwest Vietnam, 380 km northwest of Hanoi close to the border with China. The Hoàng Liên Sơn range of mountains dominates the district, which is at the eastern extremity of the Himalayas. This range includes Vietnam's highest mountain, Fan Si Pan, at a height of 3143 m above sea level.

  8. Cái Nước district - Wikipedia

    en.wikipedia.org/wiki/Cái_Nước_District

    Cái Nước is a rural district of Cà Mau province in the Mekong Delta region of Vietnam.As of 2019 the district had a population of 136,638. [1] [2] The district capital lies at Cái Nước.

  9. List of districts of Vietnam - Wikipedia

    en.wikipedia.org/wiki/List_of_districts_of_Vietnam

    The provinces of Vietnam are subdivided into second-level administrative units, namely districts (Vietnamese: huyện), provincial cities (thành phố trực thuộc tỉnh), and district-level towns (thị xã).