About Question enthuware.ocpjp.v21.2.3780 :

[giginar]

Hi,
Zoning will 1.59AM and then waiting 1 min, will make the time 3.AM thats okey, thats how it works. But when it is 2 am, it means the time already shifted.

[admin]

No, 2AM doesn't exist on this particular day in this particular time zone because of the starting of dst as given in the problem statement.