A fortnight is two weeks, so 8 weeks would be 4 fortnights.
about 22 fortnights
There are 26 fortnights in a year.
A year typically has 52 weeks, which equals 26 fortnights (since a fortnight is two weeks). Therefore, there are approximately 26 fortnights in a year. In a leap year, there are still 26 fortnights, as the extra day does not complete a full week.
Two years is about 52.2 fortnights.
About 104.36 fortnights in four years.
26 fortnights plus one day
17 years is 443.51 fortnights.
There are 182 fortnights in seven years.
4 years = 104.2989417989 fortnights.
2 years = 52.1494708995 fortnights.
There a 35 in 5 fortnights 7x5= 35
130 fortnights in 5 years.