CLDR / ICU pattern to C# custom format.

20 of 26 fields map cleanly; 6 have no C# custom format token.

C# custom format

yyyy-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	C# custom format	Field	Example
y	yyyy	Four-digit year	2006
yy	yy	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	ddd	Weekday, abbreviated	Mon
EEEE	dddd	Weekday, full	Monday
D	no token	Day of year	2
w	no token	Week of year	1
Y	no token	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	tt	AM/PM marker	PM
mm	mm	Minute, padded	04
ss	ss	Second, padded	05
S	fff	Fractional seconds	000
xx	no token	UTC offset, basic	-0700
xxx	zzz	UTC offset, extended	-07:00
z	no token	Time-zone name, short	MST
G	g	Era	AD
Q	no token	Quarter	1