Send Time Extension is a line-style Icon from Rounded Line - Material Symbols set.

The Send Time Extension icon shows a calendar outline with a partial clock shape at the left and a right-pointing arrow across the lower right. Drawn in the Rounded Line style on a 24px grid, its open construction stays recognizable in compact interfaces. Use it for scheduling, extending deadlines, delayed sending, calendar actions, and time-management controls. It belongs to Rounded Line - Material Symbols free set in the Google Material family.