Mumbai is 3 hours and 30 minutes ahead of Tel Aviv in winter (IST UTC+2 → IST UTC+5:30) and 2 hours and 30 minutes ahead in summer (IDT UTC+3 → IST UTC+5:30). A 9:00 AM start in Tel Aviv is 12:30 PM IST in winter and 11:30 AM IST in summer in Mumbai. Best meeting window — Winter (IST): 9:00 AM – 1:30 PM IST (12:30 PM – 5:00 PM IST); Summer (IDT): 9:00 AM – 2:30 PM IDT (11:30 AM – 5:00 PM IST).
Because Mumbai is 3 hours and 30 minutes ahead in winter and 2 hours and 30 minutes ahead in summer, Mumbai enters the next calendar day (+1 day) at 8:30 PM IST in winter and 9:30 PM IDT in summer in Tel Aviv. Before that cutoff, both locations share the same weekday; from 8:30 PM IST (9:30 PM IDT in summer) until midnight in Tel Aviv, Sun–Thu in Tel Aviv maps to Mon–Fri in Mumbai.
Weekend & Workday Alignment: Weekend collision (Tel Aviv Fri–Sat vs. Mumbai Sat–Sun): Sunday is a workday in Tel Aviv (Israel), but until 8:30 PM IST it is still Sunday in Mumbai (Mumbai's weekend), and Friday in Mumbai falls on Tel Aviv's Friday–Saturday weekend. Shared non-weekend workdays are Monday through Thursday.
Geographically, Tel Aviv (Israel, 32.09°N, 34.78°E, IATA: TLV) and Mumbai (India, 19.08°N, 72.88°E, IATA: BOM) are separated by a great-circle distance of 4,060 km (2,523 miles, approximately 5.5h non-stop flight). By longitude, true solar time in Mumbai is 2 hours and 32 minutes ahead of Tel Aviv (a 58-minute divergence from the 3 hours and 30 minutes standard civil clock offset): Tel Aviv (32.09°N, 34.78°E) sits 4.78° east of the 30.0°E IST reference meridian, so mean solar noon occurs at 11:41 AM IST in winter and 12:41 PM IDT in summer, while Mumbai (19.08°N, 72.88°E) sits 9.62° west of the 82.5°E IST reference meridian, so mean solar noon occurs at 12:38 PM IST year-round.
For Tel Aviv → Mumbai: India Standard Time (IST, UTC+5:30) is a single national half-hour offset observed year-round across all of India (IANA zone Asia/Kolkata) with no Daylight Saving Time. Note: Neighboring Sri Lanka shares the same UTC+5:30 offset year-round under its own IANA timezone (Asia/Colombo, Sri Lanka Standard Time / SLST).
| Abbreviation Meaning | UTC Offset | IANA Zone | Major Cities & Regions |
|---|---|---|---|
| India Standard Time Primary Here | UTC+5:30 (year-round, no DST) | Asia/Kolkata | Not used for Tel Aviv → Mumbai: Mumbai, New Delhi, Bengaluru, Hyderabad, Chennai, Pune (India) |
| Irish Standard Time | UTC+1 (summer only; GMT UTC+0 in winter) | Europe/Dublin | Not used for Tel Aviv → Mumbai: Dublin, Cork, Galway (Ireland) |
| Israel Standard Time Primary Here | UTC+2 (IDT UTC+3 in summer) | Asia/Jerusalem | Active on Tel Aviv → Mumbai: Tel Aviv, Jerusalem (Israel) |
Unlike standard whole-hour timezones, Mumbai (IST, UTC+5:30, IANA zone Asia/Kolkata) operates on a 30-minute fractional offset from UTC. Every top-of-the-hour (:00) slot in Tel Aviv converts to a :30 half-hour mark in Mumbai.
Example: 9:00 AM IST in Tel Aviv converts to 12:30 PM IST in Mumbai (3 hours and 30 minutes difference), while 9:00 AM IDT converts to 11:30 AM IST (2 hours and 30 minutes difference).
For Tel Aviv → Mumbai: Israel generally observes a Sunday–Thursday business week (Friday–Saturday weekend), though some international tech offices also hold brief Friday morning syncs. Standard shared workdays with Monday–Friday teams run Monday through Thursday.
Computed Friday & Sunday 9–5 Overlap: 0 hours (None). Friday is part of the weekend in Tel Aviv (Israel), and Sunday is part of the weekend in Mumbai (India).
Standard shared workdays (Tel Aviv ↔ Mumbai): Monday through Thursday (4 days/week — 4.5h/day in winter IST, 5.5h/day in summer IDT).
Between Tel Aviv and Mumbai, standard 9:00 AM – 5:00 PM overlap is 4.5 hours/day in Winter (IST) (9:00 AM – 1:30 PM IST in Tel Aviv = 12:30 PM – 5:00 PM IST in Mumbai) and 5.5 hours/day in Summer (IDT) (9:00 AM – 2:30 PM IDT in Tel Aviv = 11:30 AM – 5:00 PM IST in Mumbai).
Tel Aviv and Mumbai share 4.5h/day of 9–5 overlap in Winter (IST) and 5.5h/day in Summer (IDT).
Covers every hour where Tel Aviv or Mumbai is outside 7:00 AM – 9:00 PM local time (13.5h/day in Winter (IST); 12.5h/day in Summer (IDT)).
Between Tel Aviv (Israel, Asia/Jerusalem) and Mumbai (India, Asia/Kolkata), the seasonal offset shifts by 1 hour. In winter standard time (IST vs. IST), Mumbai (UTC+5:30) is 3 hours and 30 minutes ahead of Tel Aviv (UTC+2). In summer (IDT vs. IST), Mumbai (UTC+5:30) is 2 hours and 30 minutes ahead of Tel Aviv (UTC+3).
No Daylight Saving Time observed. Remains on IST (UTC+5:30) year-round.
| Date Window | Duration | Active Zones | Time Difference | Regime |
|---|---|---|---|---|
| Since Oct 25, 2026 | 152 days | IST (UTC+2) → IST (UTC+5:30) | 3 hours and 30 minutes | Standard Alignment (Active Now) |
| Mar 26, 2027 – Oct 31, 2027 | 219 days | IDT (UTC+3) → IST (UTC+5:30) | 2 hours and 30 minutes | Standard Alignment |
| Oct 31, 2027 – Nov 3, 2027 | 3 days | IST (UTC+2) → IST (UTC+5:30) | 3 hours and 30 minutes | Standard Alignment |
| Tel Aviv Time | Mumbai (Winter (IST → IST)) | Day Shift | Mumbai (Summer (IDT → IST)) | Call Status |
|---|---|---|---|---|
| 9:00 AM IST (Morning Start) | 12:30 PM IST | Same day | 11:30 AM IST | Working Overlap (9–5) |
| 12:00 PM IST (Midday / Noon) | 3:30 PM IST | Same day | 2:30 PM IST | Working Overlap (9–5) |
| 3:00 PM IST (Afternoon) | 6:30 PM IST | Same day | 5:30 PM IST | Shoulder Hours |
| 6:00 PM IST (Evening Wrap-up) | 9:30 PM IST | Same day | 8:30 PM IST | Late evening / night |
| Tel Aviv (IST) | Mumbai (Winter (IST → IST)) | Day (Mumbai) | Mumbai (Summer (IDT → IST)) | Availability (Tel Aviv ↔ Mumbai) |
|---|---|---|---|---|
| 12:00 AM IST in Tel Aviv | 3:30 AM IST in Mumbai | Same day | 2:30 AM IST | Tel Aviv–Mumbai Overnight |
| 1:00 AM IST in Tel Aviv | 4:30 AM IST in Mumbai | Same day | 3:30 AM IST | Tel Aviv–Mumbai Overnight |
| 2:00 AM IST in Tel Aviv | 5:30 AM IST in Mumbai | Same day | 4:30 AM IST | Tel Aviv–Mumbai Overnight |
| 3:00 AM IST in Tel Aviv | 6:30 AM IST in Mumbai | Same day | 5:30 AM IST | Tel Aviv–Mumbai Overnight |
| 4:00 AM IST in Tel Aviv | 7:30 AM IST in Mumbai | Same day | 6:30 AM IST | Tel Aviv–Mumbai Overnight |
| 5:00 AM IST in Tel Aviv | 8:30 AM IST in Mumbai | Same day | 7:30 AM IST | Tel Aviv–Mumbai Overnight |
| 6:00 AM IST in Tel Aviv | 9:30 AM IST in Mumbai | Same day | 8:30 AM IST | Tel Aviv–Mumbai Overnight |
| 7:00 AM IST in Tel Aviv | 10:30 AM IST in Mumbai | Same day | 9:30 AM IST | Tel Aviv–Mumbai Shoulder |
| 8:00 AM IST in Tel Aviv | 11:30 AM IST in Mumbai | Same day | 10:30 AM IST | Tel Aviv–Mumbai Shoulder |
| 9:00 AM IST in Tel Aviv | 12:30 PM IST in Mumbai | Same day | 11:30 AM IST | Tel Aviv–Mumbai 9–5 |
| 10:00 AM IST in Tel Aviv | 1:30 PM IST in Mumbai | Same day | 12:30 PM IST | Tel Aviv–Mumbai 9–5 |
| 11:00 AM IST in Tel Aviv | 2:30 PM IST in Mumbai | Same day | 1:30 PM IST | Tel Aviv–Mumbai 9–5 |
| 12:00 PM IST in Tel Aviv | 3:30 PM IST in Mumbai | Same day | 2:30 PM IST | Tel Aviv–Mumbai 9–5 |
| 1:00 PM IST in Tel Aviv | 4:30 PM IST in Mumbai | Same day | 3:30 PM IST | Tel Aviv–Mumbai Shoulder |
| 2:00 PM IST in Tel Aviv | 5:30 PM IST in Mumbai | Same day | 4:30 PM IST | Tel Aviv–Mumbai Shoulder |
| 3:00 PM IST in Tel Aviv | 6:30 PM IST in Mumbai | Same day | 5:30 PM IST | Tel Aviv–Mumbai Shoulder |
| 4:00 PM IST in Tel Aviv | 7:30 PM IST in Mumbai | Same day | 6:30 PM IST | Tel Aviv–Mumbai Shoulder |
| 5:00 PM IST in Tel Aviv | 8:30 PM IST in Mumbai | Same day | 7:30 PM IST | Tel Aviv–Mumbai Overnight |
| 6:00 PM IST in Tel Aviv | 9:30 PM IST in Mumbai | Same day | 8:30 PM IST | Tel Aviv–Mumbai Late evening / night |
| 7:00 PM IST in Tel Aviv | 10:30 PM IST in Mumbai | Same day | 9:30 PM IST | Tel Aviv–Mumbai Late evening / night |
| 8:00 PM IST in Tel Aviv | 11:30 PM IST in Mumbai | Same day | 10:30 PM IST | Tel Aviv–Mumbai Late evening / night |
| 9:00 PM IST in Tel Aviv | 12:30 AM IST in Mumbai | +1 day | 11:30 PM IST | Tel Aviv–Mumbai Overnight |
| 10:00 PM IST in Tel Aviv | 1:30 AM IST in Mumbai | +1 day | 12:30 AM IST (+1 day) | Tel Aviv–Mumbai Overnight |
| 11:00 PM IST in Tel Aviv | 2:30 AM IST in Mumbai | +1 day | 1:30 AM IST (+1 day) | Tel Aviv–Mumbai Overnight |
In winter (standard time), Mumbai (IST, UTC+5:30) is 3 hours and 30 minutes ahead of Tel Aviv (IST, UTC+2). In summer (daylight saving time), Mumbai (IST, UTC+5:30) is 2 hours and 30 minutes ahead of Tel Aviv (IDT, UTC+3).
4:00 PM in Tel Aviv corresponds to 7:30 PM IST (same day) in winter and 6:30 PM IST (same day) in summer in Mumbai, placing it inside waking hours (7:00 AM – 9:00 PM) in both cities.
In winter (IST), the best window is 9:00 AM – 1:30 PM IST in Tel Aviv (12:30 PM – 5:00 PM IST in Mumbai). In summer (IDT), use 9:00 AM – 2:30 PM IDT in Tel Aviv (11:30 AM – 5:00 PM IST in Mumbai). Avoid hours outside 7:00 AM – 9:00 PM local time (5:30 PM – 7:00 AM IST (+1 day) in winter; 6:30 PM – 7:00 AM IDT (+1 day) in summer).
Tel Aviv: Fri, Mar 26, 2027 (IST → IDT, new gap: 2 hours and 30 minutes (IDT UTC+3 vs IST UTC+5:30)). Mumbai: No DST (IST year-round).
Because Tel Aviv officially operates on a Sunday–Thursday workweek (Friday–Saturday weekend) while Mumbai works Monday–Friday (Saturday–Sunday weekend), there is 0 hours of standard business overlap on Fridays and Sundays. Schedule recurring team calls Monday through Thursday (4.5h/day overlap in winter; 5.5h/day in summer).