There are only 45 min halves plus any additional "injury time" that would be added onto that.
A half or period is 45 minutes with additional minutes added for stoppage. Which can make a period up to 50 or more minutes.
The World Cup lasts for a month. 11th June- 11th July.
45 minutes each 45 minutes each
1st half- 45 minutes + stoppage time which is usually 1-4 minutes Half time - 15 minutes 2nd half- 45 minutes + stoppage time which is usually 1-4 minutesExtra time 1st half- 15 minutes + stoppage...