Zech 7:3-5

3and to ask the priests of the house of the Lord of hosts and the prophets, “Should I mourn and practice abstinence in the fifth month, as I have done for so many years?”4Then the word of the Lord of hosts came to me:5Say to all the people of the land and the priests: When you fasted and lamented in the fifth month and in the seventh, for these seventy years, was it for me that you fasted?