2004
The last time there were five Fridays, Saturdays, and Sundays in October was in 2010.
October 2010
actually 2005 had 5 Fridays Saturdays and Sundays in July
Using MS Works calendar - the last time it happened was in 2004. The next time will be in 2021 !
The last time there were five full weekends in October was in 2021. October 2021 had five Saturdays and five Sundays, occurring on the 2nd, 3rd, 9th, 10th, 16th, 17th, 23rd, 24th, 30th, and 31st. This alignment happens when October starts on a Saturday or a Sunday.
The last time December had 5 Saturdays, 5 Sundays, and 5 Mondays was in 2016. This phenomenon occurs when December starts on a Friday in a non-leap year. The next time December will have this unique calendar pattern will be in 2023.
The last year when December had 5 Saturdays, 5 Sundays, and 5 Mondays was 2017. This occurs when December 1st falls on a Friday, which allows for the distribution of days to create five occurrences of each of those weekdays in the month. The next occurrence will be in 2028.
1999 I think it was 2009 since there were 5 Saturdays in that month October.
Daylight Savings Time ends in the UK and Europe on October 26. Every year the clocks go forward in the early hours of the last Sunday in March and backward on the last Sunday in October.
2006.
2007 - answer posted before completion of the 2012 round. From 1 January 2013, the answer will be 2012.
As of 2011, the last time the month of July contained five Saturdays, Sundays, and Mondays was in 2006. The next time it will happen is in 2017.