Common time formats

UNIX

Presets

Date

Example Output
%m/%d/%Y 06/05/2013
%A, %B %e, %Y Sunday, June 5, 2013
%b %e %a Jun 5 Sun

Time

Example Output
%H:%M 23:05
%I:%M %p 11:05 PM

Used by Ruby, UNIX date, and many more.

Date

Symbol Example Area
%a Sun Weekday
%A Sunday  
%w 0..6 (Sunday is 0)  
%y 13 Year
%Y 2013  
%b Jan Month
%B January  
%m 01..12  
%d 01..31 Day
%e 1..31  

Time

Symbol Example Area
%l 1 Hour
%H 00..23 24h Hour
%I 01..12 12h Hour
%M 00..59 Minute
%S 00..60 Second
%p AM AM or PM
%Z +08 Time zone
%j 001..366 Day of the year
%% % Literal % character

Moment.js

Examples

Date

Example Output
YYYY-MM-DD 2014-01-01
dddd, MMMM Do YYYY Friday, May 16th 2014

Time

Example Output
hh:mm a 12:30 pm

Used by Moment.js and date-fns/format. Similar to Java SimpleDateFormat.

Date

Symbol Example Area
d 0..6 Weekday
dd Su  
ddd Sun  
dddd Sunday  
YY 13 Year
YYYY 2013  
M 1..12 (Jan is 1) Month
Mo 1st..31st  
MM 01..12 (Jan is 1)  
MMM Jan  
MMMM January  
Q 1..4 Quarter
Qo 1st..4th  
D 1..31 Day
Do 1st..31st  
DD 01..31  
DDD 1..365 Day of year
DDDo 1st..365th  
DDDD 001..365  
w 1..53 Week of year
wo 1st..53rd  
ww 01..53  

Time

Symbol Example Area
H 0..23 24h hour
HH 00..23  
h 1..12 12h hour
hh 01..12  
m 0..59 Minutes
mm 00..59  
s 0..59 Seconds
ss 00..59  
a am AM/PM
A AM  
Z +07:00 Timezone offset
ZZ +0730  
S 0..9 Deciseconds
SS 00..99 Centiseconds
SSS 000..999 Milliseconds
X   Unix timestamp
x   Millisecond Unix timestamp

Presets

Example Output
LT 8:30 PM
LTS 8:30:25 PM
LL August 2 1985
ll Aug 2 1985
LLL August 2 1985 08:30 PM
lll Aug 2 1985 08:30 PM
LLLL Thursday, August 2 1985 08:30 PM
llll Thu, Aug 2 1985 08:30 PM