WET to IST Time Converter

Convert Western European Time (WET) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 4h 30m ahead.

Lisbon · Western European Time
02:34:56
Wednesday, May 13, 2026
GMT+1 · UTC+01:00
Mumbai · India Standard Time
07:04:56
Wednesday, May 13, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: WET (Lisbon)
To: IST (Mumbai)
--:--

Daylight Saving status right now

WET (Western European Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
IST (India Standard Time)
Observes DST
No

Heads up: WET observes DST while IST does not. The 4.5-hour difference shown above will shift by one hour when WET starts or ends DST.

When can WET and IST meet?

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01
02
03
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09
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WET
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Lisbon (WET). Each row shows the local working-hours state in that zone for the same moment in time.
4 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–12:00 WET (13:30–16:30 IST).

Hour-by-hour WET to IST conversion table

WET time (Lisbon)IST time (Mumbai)Status
00:00 Wed04:30 WedOff-hours both sides
01:00 Wed05:30 WedOff-hours both sides
02:00 Wed06:30 WedOff-hours both sides
03:00 Wed07:30 WedOff-hours both sides
04:00 Wed08:30 WedOff-hours both sides
05:00 Wed09:30 WedIST working
06:00 Wed10:30 WedIST working
07:00 Wed11:30 WedIST working
08:00 Wed12:30 WedIST working
09:00 Wed13:30 WedBoth at work
10:00 Wed14:30 WedBoth at work
11:00 Wed15:30 WedBoth at work
12:00 Wed16:30 WedBoth at work
13:00 Wed17:30 WedWET working
14:00 Wed18:30 WedWET working
15:00 Wed19:30 WedWET working
16:00 Wed20:30 WedWET working
17:00 Wed21:30 WedOff-hours both sides
18:00 Wed22:30 WedOff-hours both sides
19:00 Wed23:30 WedOff-hours both sides
20:00 Wed00:30 ThuOff-hours both sides
21:00 Wed01:30 ThuOff-hours both sides
22:00 Wed02:30 ThuOff-hours both sides
23:00 Wed03:30 ThuOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Western European Time (WET)
IANA identifier
Europe/Lisbon
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
Lisbon
India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata

Sun today in Lisbon and Mumbai

Mumbai
Sunrise
06:06
Sunset
19:06
Solar noon
12:36
Daylight
13h 0m

Related converters

IST to WET (reverse)WET to ESTWET to PSTWET to GMTWET to UTCWET to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in Lisbon or time in Mumbai.

Frequently asked questions

What is the time difference between WET and IST right now?+
IST (India Standard Time) is currently 4h 30m ahead WET (Western European Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does WET or IST observe daylight saving time?+
WET: observes daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between WET and IST?+
The strongest overlap is 09:00–12:00 WET (13:30–16:30 IST), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in Lisbon?+
When it is 12:00 Wed in Lisbon (WET), it is 16:30 Wed in Mumbai (IST).
Which IANA time zone identifiers are used for WET and IST?+
WET maps to "Europe/Lisbon" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Lisbon ahead of or behind Mumbai?+
Whether Lisbon (WET) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 4h 30m ahead WET. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for WET and IST?+
WET is UTC+01:00 (GMT+1) and IST is UTC+05:30 (GMT+5:30). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both WET and IST?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–12:00 WET.