CLDR / ICU pattern to Java DateTimeFormatter.

Every CLDR / ICU pattern field maps cleanly — the table below is the whole story.

Java DateTimeFormatter

uuuu-MM-dd HH:mm

Reference · Mon, Jan 2 2006, 3:04:05 PM MST

0606-01-02 15:04

Right now, your zone

…

Both sides render the same instant — the translation is faithful.

CLDR / ICU pattern	Java DateTimeFormatter	Field	Example
y	uuuu	Four-digit year	2006
yy	uu	Two-digit year	06
M	M	Month number	1
MM	MM	Month number, padded	01
MMM	MMM	Month name, abbreviated	Jan
MMMM	MMMM	Month name, full	January
d	d	Day of month	2
dd	dd	Day of month, padded	02
E	EEE	Weekday, abbreviated	Mon
EEEE	EEEE	Weekday, full	Monday
D	D	Day of year	2
w	w	Week of year	1
Y	YYYY	ISO week-based year	2006
H	H	Hour, 24-hour clock	15
HH	HH	Hour, 24-hour clock, padded	15
h	h	Hour, 12-hour clock	3
hh	hh	Hour, 12-hour clock, padded	03
a	a	AM/PM marker	PM
mm	mm	Minute, padded	04
ss	ss	Second, padded	05
S	SSS	Fractional seconds	000
xx	Z	UTC offset, basic	-0700
xxx	xxx	UTC offset, extended	-07:00
z	z	Time-zone name, short	MST
G	G	Era	AD
Q	Q	Quarter	1