'Mourning' in the Bible

and to speak to the priests assigned to the Temple of the LORD of the Heavenly Armies along with the prophets, asking, "Am I to go about mourning, denying myself throughout the fifth month, as I have these many years?"

"Talk to everyone in the land, as well as to the priests. Ask them, "When you were fasting and mourning during the fifth and seventh months for the past seventy years, were you really fasting for me?

When ye fasted with mourning in the fifth and in the seventh months -- even these seventy years -- did ye keep the fast to Me -- Me? And when ye eat, and when ye drink, is it not ye who are eating, and ye who are drinking?

And I have poured on the house of David, And on the inhabitant of Jerusalem, A spirit of grace and supplications, And they have looked unto Me whom they pierced, And they have mourned over it, Like a mourning over the only one, And they have been in bitterness for it, Like a bitterness over the first-born.

In that day shall there be a great mourning in Jerusalem, as the mourning of Hadadrimmon in the valley of Megiddon.