{{tag>Function Function_List Date_And_Time}}
====== START_OF_DAY ======
===== Description =====
Returns the timestamp of the start of the day (00:00) of the provided date
===== Syntax =====

''START_OF_DAY (date)''

===== Parameters =====
Attribute of the Date type or date constant or calculation producing a date
===== Returns =====

**Timestamp**: the provided date at 00:00

===== Example =====
<code aim>Event.StartTime = START_OF_DAY (Event.Date)</code>

===== Related =====

[[ref:a_f:f:af:end_of_day|END_OF_DAY]], [[ref:a_f:f:af:date_part|DATE_PART]], [[ref:a_f:f:af:timestamp|TIMESTAMP]], [[ref:a_f:f:af:start_of_week|START_OF_WEEK]]