Date and Time Formatting

Format specifier	Description	Example
%a	Abbreviated weekday name.	Tue
%A	Long weekday name.	Tuesday
%b	Abbreviated month name.	Sep
%B	Full month name.	September
%d	Day of the month as decimal 01 to 31	22
%j	Day of year as decimal from 001 to 366 for leap years, 001 - 365 for non-leap years.	265
%m	Month name as a decimal 01 to 12.	09
%U	The week number of the current year as a decimal number, range 00 to 53, starting with the first Sunday as the first day of week 01. In 2005, Jan 1st fell on a Saturday, so it fell within week 00 of 2005 (week 00 spans 2004-Dec-26 to 2005-Jan-01. This also happened to be week 53 of 2004).	38
%w	Weekday as decimal number 0 to 6.	2
%W	Week number 00 to 53 where Monday is first day of week 1.	38
%x	Implementation-defined date format from the locale.	09/22/15
%y	Two-digit year.	15
%Y	Four-digit year.	2015
%f	Fractional seconds are always used, even when their value is zero.	000000
%H	The hour as a decimal number using a 24-hour clock (range 00 to 23).	07
%I	The hour as a decimal number using a 12-hour clock (range 01 to 12).	07
%M	The minute as a decimal number (range 00 to 59).	11
%p	Either `AM' or `PM' according to the given time value, or the corresponding strings for the current locale.	AM
%R	The time in 24-hour notation (%H:%M).	07:11
%s	Seconds with fractional seconds.	00.000000
%S	Seconds only.	00
%T	The time in 24-hour notation (%H:%M:%S).	07:11:00
%Q	Offset from UTC.	+2H, -9H

Format specifier

Description

Example

Abbreviated weekday name.

Tue

Long weekday name.

Tuesday

Abbreviated month name.

Sep

Full month name.

September

Day of the month as decimal 01 to 31

Day of year as decimal from 001 to 366 for leap years, 001 - 365 for non-leap years.

265

Month name as a decimal 01 to 12.

The week number of the current year as a decimal number, range 00 to 53, starting with the first Sunday as the first day of week 01. In 2005, Jan 1st fell on a Saturday, so it fell within week 00 of 2005 (week 00 spans 2004-Dec-26 to 2005-Jan-01. This also happened to be week 53 of 2004).

Weekday as decimal number 0 to 6.

Week number 00 to 53 where Monday is first day of week 1.

Implementation-defined date format from the locale.

09/22/15

Two-digit year.

Four-digit year.

2015

Fractional seconds are always used, even when their value is zero.

000000

The hour as a decimal number using a 24-hour clock (range 00 to 23).

The hour as a decimal number using a 12-hour clock (range 01 to 12).

The minute as a decimal number (range 00 to 59).

Either `AM' or `PM' according to the given time value, or the corresponding strings for the current locale.

The time in 24-hour notation (%H:%M).

07:11

Seconds with fractional seconds.

00.000000

Seconds only.

The time in 24-hour notation (%H:%M:%S).

07:11:00

Offset from UTC.

+2H, -9H

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Date and Time Formatting

Fonctionnalité

Produits

Comment faire pour

Spécifications

Dépannage

Référence développeurs

Concept

Date and Time Formatting

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