Cov txheej txheem:

Lub sijhawm 12 teev thiab 24 teev yog dab tsi?
Lub sijhawm 12 teev thiab 24 teev yog dab tsi?

Video: Lub sijhawm 12 teev thiab 24 teev yog dab tsi?

Video: Lub sijhawm 12 teev thiab 24 teev yog dab tsi?
Video: Teev Ntshav Cawm Siav ( Seev pheej yog ) Daim 24 2024, Plaub Hlis Ntuj
Anonim

Dab tsi yog cov 12 - teev thiab 24 - teev teev ? Muaj ob txoj hauv kev los qhia cov sij hawm : Cov 12 - teev teev khiav ntawm 1 teev sawv ntxov mus rau 12 tav su thiab ces los ntawm 1pm mus rau 12 ib tag hmo. Cov 24 - teev teev siv tus lej 00:00 txog 23:59 (ib tag hmo yog 00:00).

Hais txog qhov no, dab tsi yog 12 AM hauv 24 teev?

24 teev

24 teev 12 teev
11:00 11:00 Nws.
12:00 12:00 12:00 Nws.
13:00 1:00 p.m.
14:00 2:00 p.m.

Tsis tas li ntawd, koj sau ib tag hmo hauv 12 teev sijhawm li cas? Phau ntawv txhais lus ntawm American Heritage Dictionary ntawm Lus Askiv hais tias "Los ntawm kev sib tham, 12 AM txhais ib tag hmo thiab 12 PM txhais tias tav su. Vim tias muaj peev xwm tsis meej pem, nws raug nquahu kom siv 12 tav no thiab 12 ib tag hmo ."

Hais txog qhov no, koj ua li cas xam lub sijhawm 24 teev?

24 - teev teev Tom qab ib tag hmo, koj tsuas ntxiv 12 rau tus naj npawb ntawm teev uas tau dhau los. Piv txwv li: 3:00 p.m. yog 3 teev tom qab 12:00 p.m. (hnub nruab nrab). 3 p.m. + 12 teev = 15:00 Nws. 8:30 p.m. yog 8 teev 30 feeb tom qab 12:00 teev tsaus ntuj. 8 teev 30 feeb + 12 teev = 20:30.

Koj hloov 12 teev rau 24 teev li cas?

Txhawm rau hloov 12 teev sijhawm rau 24 teev sijhawm hom peb ua raws li cov kauj ruam hauv qab no:

  1. Yog tias lub sij hawm nyob nruab nrab ntawm 12:00 AM txog 12:59 AM, peb rho tawm 12 teev.
  2. Yog tias lub sijhawm nruab nrab ntawm 1:00 AM txog 12:59 PM, 24 teev sijhawm yog tib yam li 12 teev.
  3. Yog hais tias lub sij hawm nyob nruab nrab ntawm 1:00 PM txog 11:59 PM, peb ntxiv 12 teev rau lub sijhawm nkag.

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