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Oracle TO_TIMESTAMP_TZ function
Oracle/PLSQL TO_TIMESTAMP_TZ function converts a string into a value of TIMESTAMP type with TIMEZONE (time zone).
Oracle/PLSQL syntax of TO_TIMESTAMP_TZ functions
TO_TIMESTAMP_TZ( string1 , [ format_mask_id ] [ 'nlsparam_id' ] )
Parameters or arguments
- string1 – is a string that will be converted to a TIMESTAMP type value with TIMEZONE.
- format_mask_id – is optional. This is the format that will be used to convert string1 to a value of TIMESTAMP type with TIMEZONE.
Below is a list of options for the format_mask_id parameter. These parameters can be used in many combinations.
| Parameter | Description |
|---|---|
| YYYY | 4-digit year |
| MM | Month (01-12; JAN = 01) |
| MON | Abbreviated name of month |
| MONTH | Name of month, padded with blanks to length of 9 characters |
| DD | Day of month (1-31) |
| HH | Hour of day (1-12) |
| HH12 | Hour of day (1-12) |
| HH24 | Hour of day (0-23) |
| MI | Minute (0-59) |
| SS | Second (0-59) |
| TZM | Time zone minute |
| TZH | Time zone hour |
The TO_TIMESTAMP_TZ function returns the TIMESTAMP WITH TIME ZONE value.
The TO_TIMESTAMP_TZ function can be used in the following Oracle/PLSQL versions
| Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i |
Let’s consider some examples of TO_TIMESTAMP_TZ function and learn how to use TO_TIMESTAMP_TZ function in Oracle PLSQL.
SELECT TO_TIMESTAMP_TZ('2015.12.31 10:13:18 -8:00', 'YYYYY.MM.DD HH:MI:SS TZH:TZM') FROM DUAL;
--Result: 31.12.15 10:13:18,000000000 -08:00.
SELECT TO_TIMESTAMP_TZ('2015.DEC.31 10:13:18 -8:00', 'YYYYY.MON.DD HH:MI:SS TZH:TZM') FROM DUAL;
--Result: 31.12.15 10:13:18,000000000 -08:00.
The Oracle TO_TIMESTAMP_TZ function can be confusing
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