Format

Get the formatted duration according to the string of tokens passed in.

To escape characters, wrap them in square brackets (e.g. [MM]).

dayjs
  .duration({
    seconds: 1,
    minutes: 2,
    hours: 3,
    days: 4,
    months: 6,
    years: 7,
  })
  .format('YYYY-MM-DDTHH:mm:ss'); // 0007-06-04T03:02:01

List of all available formats

Format	Output	Description
Y	18	The years
YY	18	The years, 2-digits
YYYY	2018	The years, 4-digits
M	1-12	The months, beginning at 1
MM	01-12	The months, 2-digits
D	1-31	The days
DD	01-31	The days, 2-digits
H	0-23	The hours
HH	00-23	The hours, 2-digits
m	0-59	The minutes
mm	00-59	The minutes, 2-digits
s	0-59	The seconds
ss	00-59	The seconds, 2-digits
SSS	000-999	The milliseconds, 3-digits