King James Version (KJV)
In that day shall there be a great mourning in Jerusalem, as the mourning of Hadadrimmon in the valley of Megiddon.
Modern English
In that day there will be a great mourning in Jerusalem, like the mourning of Hadadrimmon in the valley of Megiddon.
Hebrew
בַּיּ֣וֹם הַה֗וּא יִגְדַּ֤ל הַמִּסְפֵּד֙ בִּיר֣וּשָׁלִַ֔ם כְּמִסְפַּ֥ד הֲדַדְ־רִמּ֖וֹן בְּבִקְעַ֥ת מְגִדּֽוֹן׃
bayvom hahvʾ yigdal hamisped biyrvshaliam kmispad hadad-rimvon bbiqʿat mgidvon