Looking on the internet deeply has found these results:

2-day is the most popular phrase on the web.

two-day 155,400,000 results on the web	2-day 164,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
This two day exercise is called Happy Camper. It's a two day ride to Florence. A two day absence can't be that serious. day leave. Apparently he's on two	They actually believe that any idiot that attends a 2 organising up to eight 2 day regional meetings on advancing the implementation of the PoA at regional level. day seminar can master the art of making beautiful prints in less than an hour. There's nothing a 2 day regional meetings on advancing the implementation of the Programme of Action at regional level, Organisation by UNODA, where relevant assisted by its Regional Disarmament Centres, of up to eight 2 day old gingersnap can't fix.

two-day

155,400,000 results on the web

2-day

164,000,000 results on the web

More popular!

They actually believe that any idiot that attends a 2
organising up to eight 2
day regional meetings on advancing the implementation of the PoA at regional level.
day seminar can master the art of making beautiful prints in less than an hour.
There's nothing a 2
day regional meetings on advancing the implementation of the Programme of Action at regional level,
Organisation by UNODA, where relevant assisted by its Regional Disarmament Centres, of up to eight 2
day old gingersnap can't fix.