11 On that day the weeping in Jerusalem will be as great as the weeping of Hadad Rimmon in the plain of Megiddo.

Read Zechariah 12:11 Using Other Translations

In that day shall there be a great mourning in Jerusalem, as the mourning of Hadadrimmon in the valley of Megiddon.
On that day the mourning in Jerusalem will be as great as the mourning for Hadad-rimmon in the plain of Megiddo.
The sorrow and mourning in Jerusalem on that day will be like the great mourning for Hadad-rimmon in the valley of Megiddo.