May 3, 2011 · Correct only if referring to the process of inserting/retrieving values. But readers should understand that both data types, timestamp with time zone and timestamp without time zone, in Postgres do *not actually store time zone information. You can confirm this with a glance at the data type doc page: Both types takes up the same number of ...

Dec 28, 2013 · SELECT CURRENT_TIMESTAMP(0)::TIMESTAMP WITHOUT TIME ZONE; If you define your column's data type as timestamp (not as timestamptz), then you can store the timestamp without time zone, in that case you don't neet to add TIMESTAMP WITHOUT TIME ZONE. Like this: CREATE TABLE foo (created timestamp NOT NULL DEFAULT …

Feb 16, 2014 · It is considered valid for some to use timestamp WITHOUT time zone in situations where (1) everything is in the same timezone or (2) the application layer handles the time zone and just store everything in a certain time zone (usually UTC). But it is also considered an anti-pattern, simple because the correct solution for (1) is to configure ...

The fact is that both "WITH TIME ZONE" and "WITHOUT TIME ZONE" store the value as a unix-like absolute UTC timestamp. The difference is all in how the timestamp is displayed. When "WITH time zone" then the displayed value is the UTC stored value translated to the user's zone.

Or use the AT TIME ZONE construct with a time zone of your choosing: to_timestamp('20/8/2013 14:52:49', 'DD/MM/YYYY hh24:mi:ss') AT TIME ZONE 'UTC' While the target time zone is the same as your current timezone setting, no transformation takes place. Else the resulting timestamp is transposed accordingly. Further reading:

Jan 26, 2015 · Without boring of the details I have an odd use case. The table contains a filed completed_at that is a timestamp without timezone. What I'm trying to do is order the results by the timestamp where the timestamp is > X. The kicker is X is a numeric (or decimal) value. Trying to convert the timestamp to int is failing or even to string.

Dec 20, 2013 · For columns with type timestamp without time zone, the parser receives a string in ISO 8601 format, with no time zone specified: 2016-07-12 22:47:34. Any time you create a Date object in Javascript, if you do not specify a time zone, it assumes the date is in the current time zone. For UTC dates, which by definition are in the GMT time zone ...

I want to alter one column of data from text into type timestamp. There is no time zone in my data. The format of my data is like 28-03-17 17:22, including time and date but no time zone.

Sep 30, 2017 · CREATE TABLE foo(ts) AS VALUES ( now()::timestamp without time zone ); Display it, TABLE foo; ts ----- 2017-09-30 14:25:24.954084 (1 row) You can see in the above no tz in output. Now let's change to use a with time zone. ALTER TABLE foo ALTER COLUMN ts SET DATA TYPE timestamp with time zone;

Nov 3, 2013 · For instance a session in european time will never read 2013-11-03 01:00:00-07 as the value of a timestamp with time zone because no european country is ever at GMT-07. That said, the conversion can be done with the AT TIME ZONE construct applied to a timestamp without time zone. Assuming we run this from the US/Pacific time zone: