When do the days get longer in Cadiz? Shortest day December 21

In Cadiz the shortest day is December 21 with 9h 40m of daylight. The earliest sunset is on December 6, the latest sunrise on January 6 – by February 10 the day is an hour longer.

The shortest day, the earliest sunset, the latest sunrise – and how quickly the light comes back, week by week.
Shortest day: December 21 (9h 40m)
Earliest sunset: December 6, 18:09
Latest sunrise: January 6, 08:37
The earliest sunset comes about ten days before the shortest day, the latest sunrise about ten days after it. The reason is the equation of time: around the solstice the sun reaches its highest point a little later every day, so the whole day shifts towards the evening. That is why the evenings are already getting lighter while the mornings are still getting darker.

Week by week after the shortest day

December 21: Sunrise 08:33 · Sunset 18:13 · Day length 9h 40m · Gained +0h 00m
December 28: Sunrise 08:36 · Sunset 18:17 · Day length 9h 41m · Gained +0h 01m
January 4: Sunrise 08:37 · Sunset 18:22 · Day length 9h 45m · Gained +0h 05m
January 11: Sunrise 08:37 · Sunset 18:28 · Day length 9h 52m · Gained +0h 12m
January 18: Sunrise 08:35 · Sunset 18:35 · Day length 10h 01m · Gained +0h 21m
January 25: Sunrise 08:31 · Sunset 18:43 · Day length 10h 11m · Gained +0h 31m
February 1: Sunrise 08:27 · Sunset 18:50 · Day length 10h 24m · Gained +0h 44m
February 8: Sunrise 08:20 · Sunset 18:58 · Day length 10h 37m · Gained +0h 57m
February 15: Sunrise 08:13 · Sunset 19:05 · Day length 10h 52m · Gained +1h 12m
February 22: Sunrise 08:05 · Sunset 19:12 · Day length 11h 07m · Gained +1h 27m
March 1: Sunrise 07:56 · Sunset 19:19 · Day length 11h 23m · Gained +1h 43m
March 8: Sunrise 07:46 · Sunset 19:25 · Day length 11h 39m · Gained +1h 59m
March 15: Sunrise 07:36 · Sunset 19:32 · Day length 11h 56m · Gained +2h 16m
March 22: Sunrise 07:26 · Sunset 19:38 · Day length 12h 12m · Gained +2h 32m
March 29: Sunrise 08:16 · Sunset 20:44 · Day length 12h 28m · Gained +2h 48m
April 5: Sunrise 08:05 · Sunset 20:50 · Day length 12h 45m · Gained +3h 05m
April 12: Sunrise 07:56 · Sunset 20:56 · Day length 13h 00m · Gained +3h 20m