Ezra 6:15

15 And they finished this house by the third day of the month Adar, which is the sixth year of the reign of Darius the king.

Ezra 6:15 Meaning and Commentary

Ezra 6:15

And this house was finished on the third day of the month
Adar
The twelfth month of the year with the Jews, and answers to part of our February and part of March:

which was in the sixth year of the reign of Darius the king;
four years after the decree came forth.

Ezra 6:15 In-Context

13 Then Thanthanai the governor on this side beyond the river, Satharbuzanai, and his fellow-servants, according to that which king Darius sent, so they did diligently.
14 And the elders of the Jews and the Levites built, at the prophecy of Aggaeus the prophet, and Zacharias the son of Addo: and they built up, and finished , by the decree of the God of Israel, and by the decree of Cyrus, and Darius, and Arthasastha, kings of the Persians.
15 And they finished this house by the third day of the month Adar, which is the sixth year of the reign of Darius the king.
16 And the children of Israel, the priests, and the Levites, and the rest of the children of the captivity, kept the dedication of the house of God with gladness.
17 And they offered for the dedication of the house of God a hundred calves, two hundred rams, four hundred lambs, twelve kids of the goats for a sin-offering for all Israel, according to the number of the tribes of Israel.

The Brenton translation of the Septuagint is in the public domain.