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The TO_SECONDS SQL Function in MySQL and MariaDB - Seconds since year 0

TO_SECONDSSyntax:TO_SECONDS(Date and Time)
Return value:INTEGER
Function type:Date and Time function
Function Description

The TO_SECONDS() function returns the number of seconds from year 0000-00-00 to "Date and Time".

The "Date and Time" argument must be of type DATE or DATETIME.

If the "Date and Time" value is invalid or NULL, the TO_SECONDS() function returns NULL.

SQL Examples for the TO_SECONDS function

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SELECT to_seconds(now());
SELECT to_seconds(utc_timestamp());

SELECT to_seconds('2022-03-29');
SELECT to_seconds('2022-03-29 12:15:30');
SELECT to_seconds(20210216);
SELECT to_seconds(20210216121530);

SELECT to_seconds('12:15:30.099');
SELECT to_seconds(1381530.099);

SELECT to_seconds('2022-03-29 138:15:30.099');
SELECT to_seconds('0000-00-00 00:00:00.099');
SELECT to_seconds(unix_timestamp());
SELECT to_seconds('xxx');
SELECT to_seconds(null);

to_seconds(now())
bigint(12)
63847835963
to_seconds(utc_timestamp())
bigint(12)
63847828763
to_seconds('2022-03-29')
bigint(12)
63815731200
to_seconds('2022-03-29 12:15:30')
bigint(12)
63815775330
to_seconds(20210216)
bigint(12)
63780652800
to_seconds(20210216121530)
bigint(12)
63780696930
to_seconds('12:15:30.099')
bigint(12)
NULL
to_seconds(1381530.099)
bigint(12)
NULL
to_seconds('2022-03-29 138:15:30.099')
bigint(12)
NULL
to_seconds('0000-00-00 00:00:00.099')
bigint(12)
NULL
to_seconds(unix_timestamp())
bigint(12)
NULL
to_seconds('xxx')
bigint(12)
NULL
to_seconds(null)
bigint(12)
NULL
The examples were created with the MyWAY SQL manager: Download

How to use the TO_SECONDS() function in MySQL and MariaDB databases

In MySQL and MariaDB the TO_SECONDS() function converts a "Date" or "Date and Time" value to the number of seconds since year 0, taking table column names or other expressions as parameters to perform calculations or comparisons based on the number of seconds between dates. The function provides a way to work with dates in numeric form in SQL queries or other database operations. Leap years or time zones are not taken into account in this function.
TIMESTAMPDIFFTO_BASE64TO_DAYSTO_SECONDSTRIMTRIM_ORACLETRUNCATE

Further MySQL und MariaDB SQL Date and Time functions

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CONVERT_TZCONVERT_TZ(Date, From time zone, To time zone)
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CURDATECURDATE()
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CURTIMECURTIME([Precision])
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CURRENT_DATECURRENT_DATE(-)
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CURRENT_TIMECURRENT_TIME([Precision])
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CURRENT_TIMESTAMPCURRENT_TIMESTAMP([Precision])
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DATE_ADDDATE_ADD(Date, INTERVAL Number Unit)
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DATE_SUBDATE_SUB(Date, INTERVAL Number Unit)
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FROM_DAYSFROM_DAYS(Number of days)
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FROM_UNIXTIMEFROM_UNIXTIME(Unix timestamp [, Format])
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LOCALTIMELOCALTIME([Precision])
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LOCALTIMESTAMPLOCALTIMESTAMP([Precision])
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MAKEDATEMAKEDATE(Year, Day of year)
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MAKETIMEMAKETIME(Hours, Minutes, Seconds)
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NOWNOW([Precision])
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SEC_TO_TIMESEC_TO_TIME(Seconds)
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SLEEPSLEEP(Seconds)
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STR_TO_DATESTR_TO_DATE(String, Format)
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SUBDATESUBDATE(Date, [INTERVAL] Number [Unit])
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SUBTIMESUBTIME(Date and Time, Deduction)
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SYSDATESYSDATE()
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TIMETIME(Date and Time)
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TIMEDIFFTIMEDIFF(Date 1, Date 2)
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TIMESTAMPTIMESTAMP(Date [, Addition])
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TIMESTAMPADDTIMESTAMPADD(Unit, Number, Date)
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TIMESTAMPDIFFTIMESTAMPDIFF(Unit, Date 1, Date 2)
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UTC_DATEUTC_DATE()
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UTC_TIMEUTC_TIME([Precision])
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UTC_TIMESTAMPUTC_TIMESTAMP([Precision])
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DAYDAY(Date)
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DAYOFMONTHDAYOFMONTH(Date)
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DAYOFWEEKDAYOFWEEK(Date)
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DAYOFYEARDAYOFYEAR(Date)
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EXTRACTEXTRACT(Unit FROM Date)
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HOURHOUR(Date and Time)
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MICROSECONDMICROSECOND(Date and Time)
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TIME_TO_SECTIME_TO_SEC(Time)
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TO_DAYSTO_DAYS(Date)
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UNIX_TIMESTAMPUNIX_TIMESTAMP([Date and Time])
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WEEKWEEK(Date [, Mode])
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WEEKDAYWEEKDAY(Date)
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WEEKOFYEARWEEKOFYEAR(Date)
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YEARYEAR(Date)
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YEARWEEKYEARWEEK(Date [, Mode])
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DAYNAMEDAYNAME(Date)
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DATE_FORMATDATE_FORMAT(Date and Time, Format)
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More information about the TO_SECONDS SQL function: mysql.com and mariadb.com
Updated: 2023-09-17ImprintContactTerms & conditionsPrivacy & CookiesUpdatesSitemapFacebookLinkedinTwitterStatistics©2020-2024 Heino Cunze-Fischer