I loved this one. The first thing I did was symbolize all of the times on clock faces, then tried to deduce what they meant. On the third reading I noticed that he sure like to say flag a lot, so did some Googling and learned something new.
This one took me so long! I started around 6:15 yesterday and didn't make any progress on it at all until about 10:35 when I threw in the towel for the night. It wasn't until I woke up around 8:20 this morning that I had a sudden realization and reached the -