adventOfCode2020 Day 1 Start at 2020-12-01 21:40 Part 1 solved at 21:58 (env not fully operational) Start of Part 2 at 22:08, done at 22:14 Day 2 Start at 2020-12-02 21:01, done at 21:19 part 2 done a 21:29 Day 3 start at 20:45, done at 21:55 part 2 done at 22:05 Day 4 start on 2020-12-06, 20:25, done at 20:55 part 2 done at 21:27 Day5 start on 2020-12-07 around 21:00 done at 21:26 part 2 done at 21:32 Day 6 start on 2020-12-07 on 21:33, done at 21:47 part 2 done at 22:04 Day 7 around 1 / 1.5 hour of work