02:36
NOT NOW
Checking your clock…
Kolkata is not a generic 'IN timezone' — Salt Lake / the CBD has its own manners. The timezone's namesake. Puja weeks empty Slack; 18:00 is still a work hour more often than in Pune. Kolkata does not shift for daylight saving; the clock stays UTC+5:30 all year. The polite window around Salt Lake / the CBD is 09:00–18:00 local. Ask once what hours they actually keep, then honor the answer. On an ordinary weekday in Kolkata, treat the desk as reachable only in local business hours.
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Kolkata is 02:36. Verdict: NOT NOW. Check before you ping → https://asleep.today/kolkata