Re: Get day name(Mon, Tue... Sun) and day number (1, 2...7) from a date

From: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>
To: emilu(at)encs(dot)concordia(dot)ca
Cc: "PostgreSQL SQL List" <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Get day name(Mon, Tue... Sun) and day number (1, 2...7) from a date
Date: 2008-07-30 15:23:41
Message-ID: 162867790807300823w1281f6cr500c2bc8f54c1220@mail.gmail.com
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Hello

use to_char function
postgres=# select to_char(current_date, 'day');
to_char
-----------
wednesday
(1 row)

postgres=# select extract(dow from current_date);
date_part
-----------
3
(1 row)

regards
Pavel

2008/7/30 Emi Lu <emilu(at)encs(dot)concordia(dot)ca>:
> Good morning,
>
> Could someone tell me the command to get the weekly day name and day number
> please.
>
>
> I am expecting something like:
>
> sql> select data_part('day name', current_date);
> sql> Monday
>
> sql> select data_part('day number', current_date);
> sql> 1
>
> (Mon =1 ... Sun =7?)
>
> Thanks a lot!
>
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