The mysql.time_zone_transition_type table is one of the mysql system tables that can contain time zone information. It is usually preferable for the system to handle the time zone, in which case the table will be empty (the default), but you can populate the mysql time zone tables using the mysql_tzinfo_to_sql utility. See Time Zones for details.

FieldTypeNullKeyDefaultDescription
Time_zone_idint(10) unsignedNOPRINULL
Transition_type_idint(10) unsignedNOPRINULL
Offsetint(11)NO0
Is_DSTtinyint(3) unsignedNO0
Abbreviationchar(8)NO

Example

SELECT * FROM mysql.time_zone_transition_type;
+--------------+--------------------+--------+--------+--------------+
| Time_zone_id | Transition_type_id | Offset | Is_DST | Abbreviation |
+--------------+--------------------+--------+--------+--------------+
|            1 |                  0 |   -968 |      0 | LMT          |
|            1 |                  1 |      0 |      0 | GMT          |
|            2 |                  0 |    -52 |      0 | LMT          |
|            2 |                  1 |   1200 |      1 | GHST         |
|            2 |                  2 |      0 |      0 | GMT          |
|            3 |                  0 |   8836 |      0 | LMT          |
|            3 |                  1 |  10800 |      0 | EAT          |
|            3 |                  2 |   9000 |      0 | BEAT         |
|            3 |                  3 |   9900 |      0 | BEAUT        |
|            3 |                  4 |  10800 |      0 | EAT          |
...
+--------------+--------------------+--------+--------+--------------+

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