Mumbai to WET
-5h 30mMumbai
ISTSOURCEWET
WETGreen rows indicate typical business hours (9 AM - 5 PM)
IST and WET on the World Map
The map below highlights the IST (India Standard Time) and WET (Western European Time) timezone regions across the globe.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
- •India uses a single time zone despite spanning 30° of longitude.
- •IST is one of only a handful of time zones with a 30-minute offset.
- •IST is the most populous single time zone in the world with over 1.4 billion people.
- •The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.
WET – Western European Time
UTC+00:00Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.
- •Portugal is the only mainland European country in the WET time zone.
- •The Canary Islands are on WET despite being part of Spain (which uses CET).
- •WET is identical to GMT and UTC+00:00.
About Mumbai
WikipediaMumbai operates on India Standard Time (IST), UTC+5:30. As India's financial capital and home to BSE (Asia's oldest stock exchange), Mumbai timing is crucial for Asia markets.
The Mumbai local trains carry over 7.5 million passengers daily.
Everything You Need to Know About Mumbai and WET Time
Mumbai runs on India Standard Time (IST) at UTC+05:30. WET runs on Western European Time (WET) at UTC+00:00. That puts Mumbai 5 hours 30 minutes behind WET — a difference of -5h 30m at the current offsets.
In practice, when it is 9:00 AM in Mumbai it is 3:30 AM in WET. Midnight in Mumbai is 6:30 PM in WET. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Mumbai to WET time conversion table
| Mumbai (IST) | WET (WET) | Day |
|---|---|---|
| 12:00 AM | 6:30 PM | previous day |
| 6:00 AM | 12:30 AM | same day |
| 7:00 AM | 1:30 AM | same day |
| 8:00 AM | 2:30 AM | same day |
| 9:00 AM | 3:30 AM | same day |
| 12:00 PM | 6:30 AM | same day |
| 3:00 PM | 9:30 AM | same day |
| 5:00 PM | 11:30 AM | same day |
| 6:00 PM | 12:30 PM | same day |
| 9:00 PM | 3:30 PM | same day |
Why people convert Mumbai to WET time
- Scheduling a call from Mumbai to WET: a 10:00 AM start in Mumbai lands at 4:30 AM in WET, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Mumbai and WET are inside the 9-to-5 working day between 2:30 PM and 5:00 PM IST time (9:00 AM–11:30 AM WET). That is roughly 2 hours 30 minutes of usable overlap.
- Booking travel or deliveries: tracking WET local time against Mumbai keeps pickup windows and arrival estimates honest across the -5h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -5h 30m gap is not.
- Block 2:30 PM–5:00 PM IST as the recurring meeting window if you work primarily from Mumbai and need WET colleagues present.
About IST (India Standard Time)
India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.
About WET (Western European Time)
Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).
Best time to call between Mumbai and WET
Both Mumbai and WET sit inside the 9 AM – 5 PM working day between 2:30 PM–5:00 PM IST, which is 9:00 AM–11:30 AM WET. That gives roughly 2 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Mumbai and WET overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Mumbai is 5 hours 30 minutes behind WET (IST UTC+05:30 → WET UTC+00:00). The shared working window is 2:30 PM–5:00 PM IST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Mumbai
Does not observe DST
WET
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Mumbai and WET?
Mumbai (IST, UTC+05:30) is 5 hours 30 minutes behind WET (WET, UTC+00:00). The gap is currently -5h 30m.
How do I convert Mumbai time to WET time?
Add -5h 30m to Mumbai local time. For example, 9:00 AM in Mumbai is 3:30 AM in WET.
What time is it in WET right now?
WET uses WET at UTC+00:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h 30m offset from Mumbai.
What is the best time to call WET from Mumbai?
Call between 2:30 PM and 5:00 PM IST — that maps to 9:00 AM–11:30 AM WET and keeps both parties inside the working day.
Which is behind, Mumbai or WET?
Mumbai is 5 hours 30 minutes behind WET. When it is 12:00 PM in Mumbai it is 6:30 AM in WET.
Do Mumbai and WET use different time zones?
Mumbai (India) uses IST at UTC+05:30, while WET uses WET at UTC+00:00. The IANA identifiers are Asia/Kolkata and Europe/Lisbon.
Does daylight saving time affect the Mumbai–WET difference?
Neither zone observes daylight saving time, so the -5h 30m offset between Mumbai and WET is fixed all year.
Which other cities share Mumbai's time zone?
IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.
Which countries use IST, Mumbai's zone?
IST is used in India, Sri Lanka.
Is there a day difference between Mumbai and WET?
Not normally. The -5h 30m gap only pushes the date over the previous day.
What is the time difference between Mumbai and WET?
WET is -5h 30m from Mumbai.
What timezone is Mumbai in?
Mumbai operates on India Standard Time (IST), UTC+5:30. As India's financial capital and home to BSE (Asia's oldest stock exchange), Mumbai timing is crucial for Asia markets.
What timezone is WET in?
WET operates on its local timezone.
What are the business hours in Mumbai?
Standard business hours in Mumbai are 9:30 AM - 5:30 PM IST.
Which countries use IST (India Standard Time)?
IST is used in India, Sri Lanka.
Does IST observe daylight saving time?
No, IST does not observe daylight saving time and remains at UTC+05:30 year-round.
What are some interesting facts about IST?
India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT. India uses a single time zone despite spanning 30° of longitude.
Which cities are in the WET timezone?
Major cities in the WET timezone include Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
What is the UTC offset for WET?
Western European Time (WET) is at UTC+00:00. During daylight saving time, it shifts to WEST.
What should I know about the WET timezone?
Portugal is the only mainland European country in the WET time zone. The Canary Islands are on WET despite being part of Spain (which uses CET).
When is it midnight in Mumbai, what time is it in WET?
When it is 12:00 AM (midnight) in Mumbai (IST), it is -5h 30m later in WET (WET).
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