package tme import ( "time" ) func StartYesterday(t time.Time) time.Time { return time.Date(t.Year(), t.Month(), t.Day()-1, 0, 0, 0, 0, time.UTC) } func Plus366Days(t time.Time) time.Time { t2 := time.Date(t.Year()+1, t.Month(), t.Day()+1, 23, 59, 59, 999999999, time.UTC) return t2 } const MinYearLength = time.Hour * 24 * 365