Singapore is always 2.5 hours ahead of Chennai. When it's 9:00 AM in Chennai, it's 11:30 AM in Singapore. India uses IST (UTC+5:30) while Singapore uses SGT (UTC+8). Neither observes DST.
Chennai is South India's gateway to Southeast Asia with large Tamil diaspora in Singapore.
Morning hours work well! 9:00 AM - 3:30 PM Chennai corresponds to 11:30 AM - 6:00 PM Singapore. IT, automotive, and manufacturing sectors coordinate regularly.
Chennai and Singapore are connected by frequent 4-hour flights. Singapore Airlines, IndiGo, and Air India operate daily services.