The times of (most of) TCO19 Algorithm rounds has been published. Here they are:

• Match 1A: April 20, 2019 at 16:00 UTC.
• Match 1B: May 1, 2019 at 11:00 UTC.
• Match 2A: May 23, 2019 at 1:00 UTC.
• Match 2B: June 4, 2019 at 15:00 UTC.
• Match 3A: July 6, 2019 at 16:00 UTC.
• Match 3B: July 19, 2019 at 1:00 UTC.
• Match 4: August 3, 2019 at 16:00 UTC.

Also, here are the times of TCO19 Marathon rounds:

• Round 1: May 9, 2019 at 1:00 UTC – May 16, 2019 at 1:00 UTC.
• Round 2: June 6, 2019 at 1:00 UTC – June 13, 2019 at 1:00 UTC.
• Round 3: July 4, 2019 at 1:00 UTC – July 11, 2019 at 1:00 UTC.