Was supposed to hear back by "the end of today" even though it's only been two days since the interview. Should I follow up?

I had a job interview with the whole team on Wednesday morning, and they told me they'd discuss things yesterday and get back to me either yesterday or today with a final decision. I know that the time zone they're in puts them at the end of the work day for today (at least traditionally) and I haven't heard anything. Should I send a follow-up email? If I do send a follow-up, should I do it now while there's still a chance they're at their desks, send it over the weekend, or send it Monday morning?

If they hadn't told me I'd hear back today, I wouldn't stress about sending a follow up for at least a week, probably more like 10-14 days. But... they did say I'd hear back today. It's making me nervous, because I feel like no news is bad news. But I also don't want to look pushy or needy.

usa jobs
usa jobs resume
usa hotel jobs
usajobs
usa jobs federal government
usa job in ksa
usa jobs
usa jobs login
usa jobs gov
usajobs.gov
www.usajobs.gov
usajobs.com
usajobs
usajobs.gov official