וַיֹּ֣אמֶר אֵלַ֔י עַ֚ד עֶ֣רֶב בֹּ֔קֶר אַלְפַּ֖יִם וּשְׁלֹ֣שׁ מֵא֑וֹת וְנִצְדַּ֖ק קֹֽדֶשׁ׃
And he said unto me: ‘Unto two thousand and three hundred evenings and mornings; then shall the sanctuary be victorious.’
Read halakhic rulings (Jewish law) on Daniel 8:14: and classical halakhic sources.