day
Extract day information from date and time values.
📝Syntax
d = day(t)
d = day(t, 'dayofmonth')
d = day(t, 'dayofyear')
name = day(t, 'name')
abbr = day(t, 'shortname')
📥Input Arguments
Parameter Description
inputs datetime values, serial date numbers, or date-compatible input, plus optional day selector.
📤Output Arguments
Parameter Description
output A double day array or string day-name array.
📄Description

Extract day information from date and time values.

The default is day of month. dayofyear counts from January 1. name and shortname return weekday names.

Array-valued inputs keep their data shape when the operation supports arrays. Scalar operands are expanded where the implementation defines scalar expansion.

💡Examples
Basic usage.
t = datetime(2024, 2, 29)
day(t)
day(t, 'dayofyear')
🔗See Also
datetimeduration
🕔Version History
Version Description
2.0.0 initial version
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