Display the date using any or all of the following elements:

• %a: abbreviated day name (i.e. mon, tue, wed)
• %A: full day name (i.e. Monday, Tuesday, Wednesday)
• %b or %h: abbreviated month name (i.e. jan, feb, mar)
• %B: full month name (January, February, March)
• %c: locales date and time (full date and time)
• %C: short year (i.e 14, 15, 16)
• %d: day of month (i.e. 01, 02, 03)
• %D: same as M/D/Y (i.e. 04/20/16)
• %e: day of month padded (i.e. ‘ 1’, ‘ 2’)
• %F: full date, same as yyyy-mm-dd
• %H: hour (00, 01, 02, 21, 22, 23)
• %I: hour (1,2,3,10,11,12)
• %j: day of year (i.e. 243)
• %k: hour padded (i.e. ‘1’ becomes ‘ 1’)
• %l: hour padded (12 hour clock)
• %m: month number (1,2,3)
• %M: minute (1,2,3,57,58,59)
• %n: new line
• %N: nanoseconds
• %p: AM or PM
• %P: like %p but lowercase (ironically)
• %r: locales 12 hour clock time
• %R: 24 hour version of hour and minute
• %s: seconds since 1970-01-01 00:00:00
• %S: second (01,02,03, 57, 58, 59)
• %t: a tab
• %T: time same as %H:%M:%S
• %u: day of week (1 is Monday, 2 is Tuesday etc)
• %U: week number of year (assuming Sunday as first day of the week)
• %V: ISO week number with Monday as the first day of the week
• %w: day of week (0 is Sunday)
• %W: week number of the year with Monday as the first day of the week
• %x: locales date representation (12/31/2015)
• %X: locales time representation (14:44:44)
• %y: last two digits of year
• %Y: year
• %z: numeric time zone (i.e. -0400)
• %:z: numeric time zone as follows (i.e. -04:00)
• %::z: numeric time zone as follows (i.e. -04:00:00)
• %Z: alphabetic time zone abbreviation (GMT)
• – –: a single hyphen prevents zero padding
• _: a single underscore pads with spaces
• 0: pads with zeroes
• ^: use uppercase if possible
• #: use opposite case if possible

date +%T