A men's world cup held in Australia and New Zealand may not be ideal for Europe, North America or South America, but it could make up for it with viewing numbers from Asian countries like China, Japan etc.
However, In the recent WWC, there was some "creativity" with a few of the kick off times. Allianz stadium had a couple of games kicking off at midday. USA had a couple of games in NZ, starting at 1pm, 11am Australian Eastern Standard Time. While Argentina played against South Africa in NZ, kicking off 10am, AEST.
Those kick off times were certainly more suitable for the North American and South American audiences because it was prime time.
So maybe in the men's world cup, have a regular 10am AEST timeslot, where a game could kick off at midday in NZ, and cater for the North American and South American continents.
In Qatar, matches began 10pm at night. So in Australia, you could schedule games at that time of night, or a tad later. Also, you could take advantage of Perth's time zone. This is to cater for the European time zone, where fans could watch the games in the mid to late afternoon over there.
There will be four games per day. And I somehow doubt the schedule times will be similar to Fox League's Super Saturday, which is 3pm, 5:30pm or 7:30pm.
Australia and New Zealand need to work on the schedule times as part of the bid, just so they could accommodate Europe, North America and South America as much as possible.