אֱמֹר֙ אֶל־כָּל־עַ֣ם הָאָ֔רֶץ וְאֶל־הַכֹּהֲנִ֖ים לֵאמֹ֑ר כִּֽי־צַמְתֶּ֨ם וְסָפ֜וֹד בַּחֲמִישִׁ֣י וּבַשְּׁבִיעִ֗י וְזֶה֙ שִׁבְעִ֣ים שָׁנָ֔ה הֲצ֥וֹם צַמְתֻּ֖נִי אָֽנִי׃
’Speak unto all the people of the land, and to the priests, saying: When ye fasted and mourned in the fifth and in the seventh month, even these seventy years, did ye at all fast unto Me, even to Me?
Find Mishnaic references to Zechariah 7:5: , passages from the 63 tractates of the Mishnah.