Create a new block called Delay, please.
The time delay before sending the message.
Where you can set any delay, in seconds, minutes, hours, days. (This is normal for Telegrams)
In the new Delay block, make several time selections.
After how many seconds, minutes, hours, days it will move on to the next message.
The exact date and time will move on to the next message.

pictures of examples on the link

https://i.yapx.ru/XRVIi.jpg />
https://i.yapx.ru/XRVIk.jpg