earliest start time
Also found in: Financial, Acronyms.
earliest start time[¦ər·lē·əst ′start ‚tīm]
The earliest time at which an activity may begin in the schedule of a project; it equals the earliest time that all predecessor activities can be completed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.