וַיְהִ֛י דְּבַר־יְהוָ֥ה צְבָא֖וֹת אֵלַ֥י לֵאמֹֽר׃
Y fué á mí palabra de SEÑOR de los ejércitos, diciendo:
Radak on Zechariah
And the word of the LORD — And if you do these things that I command you, says haShem of Hosts, then the fasts about which you asked if you should fast on those days, you will no longer fast, but rejoice on them, from all the good that will be yours.