How much time do I have to select my team for each round?

For the first round of the tournament you'll be able to select your team and make changes until 23:59:59 NST on 5th August. The results of the first round will be announced on 7th August along with round 2 start.
Round 2 will end on 12th August 23:59:59. Make sure you select your team before 13th August.
Round 3 will end on 19th August 23:59:59. Make sure you select your team before 20th August.
Round 4 will start on 21st August and will end on 26th August 23:59:59. Make sure you select your team before 27th August.