16:53
MAYBE
Checking your clock…
The commute into Short North is the real start of the pingable day in Columbus. Before 08:00 you are writing to a train, a motorbike, or a kitchen. Insurance and campus hours dominate; 08:30 local is a safe first ping. Columbus still shifts with daylight saving (UTC−5 in January, UTC−4 in July). If you must write outside 08:00–17:00 local, schedule send it. On an ordinary weekday in Columbus, treat the desk as reachable only in local business hours.
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Columbus is 16:53. Verdict: MAYBE. Check before you ping → https://asleep.today/columbus