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Convert dd/mm/yyyy string to Unix timestamp in MySQL?
Convert dd/mm/yyyy string to Unix timestamp with the help of UNIX_TIMESTAMP(). The syntax is as follows −
SELECT UNIX_TIMESTAMP(STR_TO_DATE(yourColumnName,'%d/%m/%Y')) as anyVariableName FROM yourTableName;
To understand the above syntax, let us create a table. The query to create a table is as follows −
mysql> create table ConvertddmmyyyyInUnixTimeStamp -> ( -> Id int NOT NULL AUTO_INCREMENT, -> Created_at varchar(30), -> PRIMARY KEY(Id) -> ); Query OK, 0 rows affected (0.57 sec)
Insert some records in the table using insert command. The query is as follows −
mysql> insert into ConvertddmmyyyyInUnixTimeStamp(Created_at) values('10/11/2012');
Query OK, 1 row affected (0.21 sec)
mysql> insert into ConvertddmmyyyyInUnixTimeStamp(Created_at) values('11/12/2013');
Query OK, 1 row affected (0.23 sec)
mysql> insert into ConvertddmmyyyyInUnixTimeStamp(Created_at) values('10/12/2012');
Query OK, 1 row affected (0.12 sec)
mysql> insert into ConvertddmmyyyyInUnixTimeStamp(Created_at) values('31/01/2015');
Query OK, 1 row affected (0.19 sec)
mysql> insert into ConvertddmmyyyyInUnixTimeStamp(Created_at) values('24/04/2016');
Query OK, 1 row affected (0.21 sec)
mysql> insert into ConvertddmmyyyyInUnixTimeStamp(Created_at) values('20/09/2017');
Query OK, 1 row affected (0.26 sec)
mysql> insert into ConvertddmmyyyyInUnixTimeStamp(Created_at) values('15/03/2018');
Query OK, 1 row affected (0.14 sec)Display all records from the table using select statement. The query is as follows −
mysql> select *from ConvertddmmyyyyInUnixTimeStamp;
The following is the output −
+----+------------+ | Id | Created_at | +----+------------+ | 1 | 10/11/2012 | | 2 | 11/12/2013 | | 3 | 10/12/2012 | | 4 | 31/01/2015 | | 5 | 24/04/2016 | | 6 | 20/09/2017 | | 7 | 15/03/2018 | +----+------------+ 7 rows in set (0.00 sec)
Let us now convert dd/mm/yyyy string to UNIX timestamp:
mysql> select unix_timestamp(str_to_date(Created_at,'%d/%m/%Y')) as UnixTimestamp from ConvertddmmyyyyInUnixTimeStamp;
The following is the output:
+---------------+ | UnixTimestamp | +---------------+ | 1352485800 | | 1386700200 | | 1355077800 | | 1422642600 | | 1461436200 | | 1505845800 | | 1521052200 | +---------------+ 7 rows in set (0.00 sec)
Updated on: 30-Jun-2020
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