Codeforces says it will be down "01:00-06:00 August, 31 (MSK, UTC +4)". As far as I know MSK is UTC+3, so the 01:00-06:00 is in UTC+3 or UTC+4?
Codeforces downtime
Codeforces says it will be down "01:00-06:00 August, 31 (MSK, UTC +4)". As far as I know MSK is UTC+3, so the 01:00-06:00 is in UTC+3 or UTC+4?