en_tn/2ch/29/03.md

in the first month

This is the first month of the Hebrew calendar. It is during the last part of March and the first part April on Western calendars. (See: rc://en/ta/man/translate/translate-hebrewmonths and rc://en/ta/man/translate/translate-ordinal)

the house of Yahweh

Here the word "house" represents the temple. AT: "the temple of Yahweh" (See: rc://en/ta/man/translate/figs-metonymy)

Hezekiah opened the doors ... and repaired them

Since Hezekiah was king, he may have had his workers do these things. AT: "Hezekiah ordered his workers to open the doors ... and to repair them" (See: rc://en/ta/man/translate/figs-metonymy)