Meet the one - Online Dating: "First Date Tips - Lunchtime is the best time, because in the daytime most of us are busy with work and we can just spare an hour or a half for lunch. So you can always leave on the pretext that you have to get back to work or something like that. Very few people end up going home together after lunch. Another thing is that at lunch the element of romance does not really come in.
Take care to be at the arranged spot on time, you certainly don't want to keep a person you are meeting for the first time waiting. Dress appropriately for the occasion, keep it simple but at the same time it should be something that looks good on you. "