All times have been adjusted in Belgian local time (UTC + 1 hour in winter time and UTC + 2 hours in summer time).
The days lengthen
- in January with 1 hour and 3 minutes
- in February with 1 hour 35 minutes
- in March with 2 hour 0 minutes
- in April with 1 hour 59 minutes
- in May with 1 hour 41 minutes
- in June (1-21) with 26 minutes
The days shorten
- in June (21-30) with 5 minutes
- in July with 1 hour 16 minutes
- in August with 1 hour 57 minutes
- in September with 1 hour 57 minutes
- in October with 1 hour 52 minutes
- in November with 1 hour 20 minutes
- in December (1-22) with 21 minutes
The days lengthen again
- in December (22-31) with 4 minutes