India and Singapore Working Hours Overlap in IST
Singapore · Asia-Pacific
24-Hour Timeline
Overlap for Different Work Hours
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| Singapore Hours | Overlap (IST) | Local Time | Duration |
|---|---|---|---|
| 8:00 AM – 5:00 PM | 9:00 AM – 2:30 PM IST | 11:30 AM – 5:00 PM | 5.5 hrs |
| 9:00 AM – 6:00 PM | 9:00 AM – 3:30 PM IST | 11:30 AM – 6:00 PM | 6.5 hrs |
| 10:00 AM – 7:00 PM | 9:00 AM – 4:30 PM IST | 11:30 AM – 7:00 PM | 7.5 hrs |
Note: Work week is Mon–Fri
About This Overlap
Singapore is South-East Asia's financial powerhouse and home to the regional headquarters of all major Indian IT firms (Infosys, TCS, Wipro, HDFC, ICICI). IST is 2h 30m ahead of SGT year-round (no DST). India's 9 AM = 11:30 AM Singapore; India's 5 PM = 7:30 PM Singapore. The overlap is excellent and stable. Singapore's Tamil-origin population (9% of ~5.9M) maintains deep India ties. Singapore's business environment is world-class and pro-India FDI.
Last updated: 20 March 2026
Frequently Asked Questions
When do India and Singapore share working hours?
Overlap: 9:00 AM – 3:30 PM IST — 6.5 hours
How many hours overlap does IST have with Singapore?
Indian Standard Time (IST, UTC+5:30) and Singapore have a 6.5-hour overlap window. The exact span depends on daylight saving time in Singapore.
What is the best time to schedule a call between India and Singapore?
Schedule calls between 9:00 AM and 3:30 PM IST (11:30 AM–6:00 PM Singapore local time). This ensures both parties are within business hours.
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