WEST to BTT Time Converter

Convert Western European Summer Time (WEST) to Bhutan Time (BTT). Both time zones are shown live below; current offset between them is 5 hours ahead.

Lisbon · Western European Summer Time
11:51:45
Monday, May 11, 2026
GMT+1 · UTC+01:00
Thimphu · Bhutan Time
16:51:45
Monday, May 11, 2026
GMT+6 · UTC+06:00

Convert a specific time

From: WEST (Lisbon)
To: BTT (Thimphu)
--:--

Daylight Saving status right now

WEST (Western European Summer Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
BTT (Bhutan Time)
Observes DST
No

Heads up: WEST observes DST while BTT does not. The 5-hour difference shown above will shift by one hour when WEST starts or ends DST.

When can WEST and BTT meet?

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01
02
03
04
05
06
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08
09
10
11
12
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14
15
16
17
18
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23
WEST
BTT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Lisbon (WEST). Each row shows the local working-hours state in that zone for the same moment in time.
3 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–11:00 WEST (14:00–16:00 BTT).

Hour-by-hour WEST to BTT conversion table

WEST time (Lisbon)BTT time (Thimphu)Status
00:00 Mon05:00 MonOff-hours both sides
01:00 Mon06:00 MonOff-hours both sides
02:00 Mon07:00 MonOff-hours both sides
03:00 Mon08:00 MonOff-hours both sides
04:00 Mon09:00 MonBTT working
05:00 Mon10:00 MonBTT working
06:00 Mon11:00 MonBTT working
07:00 Mon12:00 MonBTT working
08:00 Mon13:00 MonBTT working
09:00 Mon14:00 MonBoth at work
10:00 Mon15:00 MonBoth at work
11:00 Mon16:00 MonBoth at work
12:00 Mon17:00 MonWEST working
13:00 Mon18:00 MonWEST working
14:00 Mon19:00 MonWEST working
15:00 Mon20:00 MonWEST working
16:00 Mon21:00 MonWEST working
17:00 Mon22:00 MonOff-hours both sides
18:00 Mon23:00 MonOff-hours both sides
19:00 Mon00:00 TueOff-hours both sides
20:00 Mon01:00 TueOff-hours both sides
21:00 Mon02:00 TueOff-hours both sides
22:00 Mon03:00 TueOff-hours both sides
23:00 Mon04:00 TueOff-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 Summer Time (WEST)
IANA identifier
Europe/Lisbon
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
Lisbon
Bhutan Time (BTT)
IANA identifier
Asia/Thimphu
Current UTC offset
UTC+06:00
Current abbreviation
GMT+6
Major cities in this zone
Thimphu

Related converters

BTT to WEST (reverse)WEST to ESTWEST to PSTWEST to GMTWEST to UTCWEST to CETEST to BTTPST to BTTGMT to BTTUTC to BTTCET to BTT
Looking for local time? See time in Lisbon or time in Thimphu.

Frequently asked questions

What is the time difference between WEST and BTT right now?+
BTT (Bhutan Time) is currently 5 hours ahead WEST (Western European Summer Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does WEST or BTT observe daylight saving time?+
WEST: observes daylight saving time. BTT: does not observe daylight saving time.
When is the best time to schedule a meeting between WEST and BTT?+
The strongest overlap is 09:00–11:00 WEST (14:00–16:00 BTT), giving 3 hours when both sides are within standard 9am-5pm working hours.
What time is it in Thimphu when it is 12:00 noon in Lisbon?+
When it is 12:00 Mon in Lisbon (WEST), it is 17:00 Mon in Thimphu (BTT).
Which IANA time zone identifiers are used for WEST and BTT?+
WEST maps to "Europe/Lisbon" in the IANA database. BTT maps to "Asia/Thimphu". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Lisbon ahead of or behind Thimphu?+
Whether Lisbon (WEST) is ahead of or behind Thimphu (BTT) depends on the current UTC offsets. Right now BTT is 5 hours ahead WEST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for WEST and BTT?+
WEST is UTC+01:00 (GMT+1) and BTT is UTC+06:00 (GMT+6). 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 WEST and BTT?+
Yes. There are 3 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–11:00 WEST.