Timestamp pattern table: Difference between revisions

Revision as of 13:25, 8 July 2026

This is the table containing all supported symbols for ISO date-time notations. This table is derived from the java documentation^[1].

Symbol	Meaning	Presentation	Examples
G	era	text	AD; Anno Domini; A
u	year	year	2004; 04
y	year-of-era	year	2004; 04
D	day-of-year	number	189
M/L	month-of-year	number/text	7; 07; Jul; July; J
d	day-of-month	number	10
g	modified-julian-day	number	2451334
Q/q	quarter-of-year	number/text	3; 03; Q3; 3rd quarter
Y	week-based-year	year	1996; 96
w	week-of-week-based-year	number	27
W	week-of-month	number	4
E	day-of-week	text	Tue; Tuesday; T
e/c	localized day-of-week	number/text	2; 02; Tue; Tuesday; T
F	aligned-week-of-month	number	3
a	am-pm-of-day	text	PM
B	period-of-day	text	in the morning
h	clock-hour-of-am-pm (1-12)	number	12
K	hour-of-am-pm (0-11)	number	0
k	clock-hour-of-day (1-24)	number	24
H	hour-of-day (0-23)	number	0
m	minute-of-hour	number	30
s	second-of-minute	number	55
S	fraction-of-second	fraction	978
A	milli-of-day	number	1234
n	nano-of-second	number	987654321
N	nano-of-day	number	1234000000
V	time-zone ID	zone-id	America/Los_Angeles; Z; -08:30
v	generic time-zone name	zone-name	Pacific Time; PT
z	time-zone name	zone-name	Pacific Standard Time; PST
O	localized zone-offset	offset-O	GMT+8; GMT+08:00; UTC-08:00;
X	zone-offset 'Z' for zero	offset-X	Z; -08; -0830; -08:30; -083015; -08:30:15;
x	zone-offset	offset-x	+0000; -08; -0830; -08:30; -083015; -08:30:15;
Z	zone-offset	offset-Z	+0000; -0800; -08:00;
p	pad next	pad modifier	1
'	escape for text	delimiter
' '	single quote	literal	'
[	optional section start
]	optional section end
#	reserved for future use
{	reserved for future use
}	reserved for future use

@@ Line 35: / Line 35: @@
 |number
 |10
+|-
+|g
+|modified-julian-day
+|number
+|2451334
 |-
 |Q/q
@@ Line 76: / Line 81: @@
 |PM
 |-
-|h
+|B
-|clock-hour-of-am-pm (1-12)
+|period-of-day
-|number
+|text
+|in the morning
+|-
+|h
+|clock-hour-of-am-pm (1-12)
+|number
 |12
 |-
 |K
 |hour-of-am-pm (0-11)
 |number
 |0
 |-
 |k
 |clock-hour-of-day (1-24)
 |number
 |24
 |-
 |H
 |hour-of-day (0-23)
 |number
 |0
 |-
 |m
 |minute-of-hour
 |number
 |30
 |-
 |s
 |second-of-minute
 |number
 |55
 |-
 |S
 |fraction-of-second
 |fraction
 |978
 |-
 |A
 |milli-of-day
 |number
 |1234
 |-
 |n
 |nano-of-second
 |number
 |987654321
 |-
 |N
 |nano-of-day
 |number
 |1234000000
 |-
 |V
 |time-zone ID
 |zone-id
 |America/Los_Angeles; Z; -08:30
 |-
-|z
+|v
-|time-zone name
+|generic time-zone name
+|zone-name
+|Pacific Time; PT
+|-
+|z
+|time-zone name
 |zone-name
 |Pacific Standard Time; PST