From http://linux.die.net/man/3/strftime
%a- The abbreviated weekday name (Sun)%A- The full weekday name (Sunday)%b- The abbreviated month name (Jan)%B- The full month name (January)%d- Day of the month (01..31)%e- Day of the month without leading 0 (1..31)%g- Year in YY (00-99`)%H- Hour of the day, 24-hour clock (00..23)%I- Hour of the day, 12-hour clock (01..12)%j- Day of the year (001..366)%m- Month of the year (01..12)%M- Minute of the hour (00..59)%p- Meridian indicator (AMorPM)%S- Second of the minute (00..60)%U- Week number of the current year, starting with the first Sunday as the first day of the first week (00..53)%W- Week number of the current year, starting with the first Monday as the first day of the first week (00..53)%w- Day of the week (Sunday is 0,0..6)%y- Year without a century (00..99)%Y- Year with century%Z- Time zone name%%- Literal%character
From http://momentjs.com/docs/#/displaying/format/
This format is used for keys matching datetimepicker
M- Month of year without leading 0 (1..12)MM- Month of the year (01..12)MMM- The abbreviated month name (Jan)MMMM- The full month name (January)D- Day of the month without leading 0 (1..31)Do- Day of the month without leading 0 and ordinal (1st..31st)DD- Day of the month (01..31)ddd- The abbreviated weekday name (Sun)dddd- The full weekday name (Sunday)YY- Year without a century (00..99)YYYY- Year with centuryA- Meridian indicator (AMorPM)a- Meridian indicator lowercase (amorpm)H- Hour of the day, 24-hour clock without leading zero (0..23)HH- Hour of the day, 24-hour clock (00..23)h- Hour of the day, 12-hour clock without leading zero (1..12)hh- Hour of the day, 12-hour clock (01..12)mm- Minute of the hour (00..59)ss- Second of the minute (00..60)z- Time zone name