4 ms·I don't even understand that. What time period is that meant to specify?by chc 12y agoI don't even understand that. What time period is that meant to specify?radnor 12y ago20 to 3 in the afternoon = 2:40 PMinfogulch 12y agoOooh, "twenty minutes until three". I typically use until or shorten it to 'till. But I've seen/heard to as well.samdb 12y ago'To' is the most common version in British English.