Strong's Concordance G2250

Original Word: ἡμέρα
Transliteration: hēméra
Phonetic Spelling: hay-mer'-ah
[ἡμέρα] feminine (with G5610 implied) of a derivative of ἧμαι (to sit; akin to the base of G1476) meaning tame, i.e. gentle; day, i.e. (literally) the time space between dawn and dark, or the whole 24 hours (but several days were usually reckoned by the Jews as inclusive of the parts of both extremes); figuratively, a period (always defined more or less clearly by the context)

Usages throughout the bible

Revelation 18:8 - Therefore shall her plagues come in one day, G2250 death, and mourning, and famine; and she shall be utterly burned with fire: for strong is the Lord God who judgeth her.

Revelation 20:10 - And the devil that deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet are, and shall be tormented day G2250 and night for ever and ever.

Revelation 21:25 - And the gates of it shall not be shut at all by day: G2250 for there shall be no night there.