• datenum(Y,M,D) returns the date number corresponding to year Y, month M and month day D
• datenum(str) convers the string str into a date number assuming that date format is 'mm/dd/yyyy'
• datenum(str,dateformat) uses the date format specified in the second parameter. The following format are handled:
  • 'yyyy/mm/dd'
  • 'yyyy-mm-dd'
  • 'mm/dd/yyyy'
  • 'mm-dd-yyyy'
  • 'dd/mm/yyyy'
  • 'dd-mm-yyyy'
  • 'dd/mmm/yyyy'
  • 'dd-mmm-yyyy'

Examples

> datenum(2015,05,15)#

	736099	

 > datenum('05/15/2015')#

	736099

 > datenum('2015/05/15','yyyy/mm/dd')#

	736099

 > datenum({'2015,05,15'; '2014, 01, 24'}, 'yyyy,mm,dd')#

	736099
	735623

Resources

See also