Formatting Tokens

The following tokens can be used in dayjs().format(tokenString).

Date Tokens

Token	Output	Description
`YY`	24	Two-digit year
`YYYY`	2024	Four-digit year
`M`	1-12	Month number
`MM`	01-12	Month number (zero-padded)
`MMM`	Jan-Dec	Abbreviated month name
`MMMM`	January-December	Full month name
`D`	1-31	Day of month
`DD`	01-31	Day of month (zero-padded)

Day of Week Tokens

Token	Output	Description
`d`	0-6	Day of week (Sunday = 0)
`dd`	Su-Sa	Minimal day of week name
`ddd`	Sun-Sat	Short day of week name
`dddd`	Sunday-Saturday	Full day of week name

Time Tokens

Token	Output	Description
`H`	0-23	Hour (24-hour)
`HH`	00-23	Hour (24-hour, zero-padded)
`h`	1-12	Hour (12-hour)
`hh`	01-12	Hour (12-hour, zero-padded)
`m`	0-59	Minute
`mm`	00-59	Minute (zero-padded)
`s`	0-59	Second
`ss`	00-59	Second (zero-padded)
`SSS`	000-999	Millisecond (zero-padded)

Timezone Tokens

Token	Output	Description
`Z`	+05:00	UTC offset (colon-separated)
`ZZ`	+0500	UTC offset (compact)

Meridiem Tokens

Token	Output	Description
`A`	AM / PM	Uppercase meridiem
`a`	am / pm	Lowercase meridiem

Examples

// Common formats
dayjs().format('YYYY-MM-DD');         // "2024-06-15"
dayjs().format('MM/DD/YYYY');         // "06/15/2024"
dayjs().format('DD-MM-YYYY');         // "15-06-2024"
dayjs().format('dddd, MMMM D, YYYY'); // "Saturday, June 15, 2024"

// Time formats
dayjs().format('HH:mm:ss');           // "10:30:45"
dayjs().format('h:mm A');             // "10:30 AM"
dayjs().format('hh:mm:ss a');         // "10:30:45 am"

// ISO-like
dayjs().format('YYYY-MM-DDTHH:mm:ssZ'); // "2024-06-15T10:30:45+03:00"

// With localized format plugin
dayjs.extend(LocalizedFormat);
dayjs().format('LTS'); // "10:30:45 AM"
dayjs().format('LT');  // "10:30 AM"
dayjs().format('L');   // "06/15/2024"
dayjs().format('LL');  // "June 15, 2024"