[tz] End of time change in Colombia 1993

Alois Treindl alois at astro.ch
Thu Nov 10 23:19:59 UTC 2022

TZ has for Colombia a single period with time zone 4h west.

# Rule  NAME    FROM    TO      - IN      ON      AT      SAVE    LETTER/S
Rule    CO      1992    only    -       May      3      0:00 1:00    -
Rule    CO      1993    only    -       Apr      4      0:00 0       -

I think the end date 4 April is wrong, it should be 6 February 24h or 7 
February 0h

The time shift was called Hora Gaviria, and caused by  shortage of 
electricity in connection with El Niño .

Source: *DECRETO 267 DE 1993


*Artículo 1° *Adoptar como hora legal en el territorio de la República, 
la del Tiempo Universal Coordinado, UTC, disminuido en cinco (5) horas.

*Artículo 2° *El cambio de hora se hará efectivo a las veinticuatro 
horas del día 6 de febrero del presente año.

There is also a newspaper article 
of 4 feb 1993, but the text is less clear to my limited understanding of 

See also 

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