Sample Functions of TO_CHAR

Parameter	Formula	Sample Result	Explanation
DL	to_char({today},'DL')	Saturday, April 02, 2016	Date Long
YEAR	to_char({today},'YEAR')	TWENTY SIXTEEN	Year, spelled out
YYYY	to_char({today},'YYYY')	2016	4-digit year
YYY	to_char({today},'YYY')	016	Last 3, 2, or 1 digit(s) of year.
YY	to_char({today},'YY')	16
Y	to_char({today},'Y')	6
IYY	to_char({today},'IYY')	016	Last 3, 2, or 1 digit(s) of ISO year.
IY	to_char({today},'IY')	16
I	to_char({today},'I')	6
IYYY	to_char({today},'IYYY')	2016	4-digit year based on the ISO standard
Q	to_char({today},'Q')	2	Quarter of year (1, 2, 3, 4; JAN-MAR = 1).
MM	to_char({today},'MM')	04	Month (01-12; JAN = 01).
MON	to_char({today},'MON')	APR	Abbreviated name of month.
MONTH	to_char({today},'MONTH')	APRIL	Name of month, padded with blanks to length of 9 characters.
RM	to_char({today},'RM')	IV	Roman numeral month (I-XII; JAN = I).
WW	to_char({today},'WW')	14	Week of year (1-53) where week 1 starts on the first day of the year and continues to the seventh day of the year.
W	to_char({today},'W')	1	Week of month (1-5) where week 1 starts on the first day of the month and ends on the seventh.
IW	to_char({today},'IW')	13	Week of year (1-52 or 1-53) based on the ISO standard.
D	to_char({today},'D')	7	Day of week (1-7).
DAY	to_char({today},'DAY')	SATURDAY	Name of day.
DD	to_char({today},'DD')	02	Day of month (1-31).
DDD	to_char({today},'DDD')	093	Day of year (1-366).
DY	to_char({today},'DY')	SAT	Abbreviated name of day.
J	to_char({today},'J')	2457481	Julian day; the number of days since January 1, 4712 BC.
HH	to_char({today},'HH')	01	Hour of day (1-12).
HH12	to_char({today},'HH12')	01	Hour of day (1-12).
HH24	to_char({today},'HH24')	01	Hour of day (0-23).
MI	to_char({today},'MI')	22	Minute (0-59).
SS	to_char({today},'SS')	46	Second (0-59).
SSSSS	to_char({today},'SSSSS')	4966	Seconds past midnight (0-86399).

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