END_OF_DAY

Returns the timestamp of the end of the day (23:59:59) of the provided date

END_OF_DAY (date)

Attribute of the Date type or date constant or calculation producing a date

Timestamp: the provided date at 23:59:59

Event.EndTime = END_OF_DAY (Event.Date)

START_OF_DAY, DATE_PART, TIMESTAMP, END_OF_WEEK