Clockjumper

Timezone conversion

IST to Lisbon Time — Convert India Standard Time to Lisbon

Lisbon is currently 4 hours and 30 minutes behind IST. The gap shifts across the year: around January Lisbon is 5 hours and 30 minutes behind IST, and around July it is 4 hours and 30 minutes behind IST, because one or both zones observe daylight saving.

Lisbon is currently 4 hours and 30 minutes behind IST.

IST • IST (UTC+5:30)
8:02 PM
Thursday, Sep 10
Lisbon • WEST (UTC+1)
3:32 PM
Thursday, Sep 10

Abbreviation disambiguation

On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.

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Full IST to Lisbon conversion table

ISTLisbon
12:00 AM7:30 PM(previous day)
1:00 AM8:30 PM(previous day)
2:00 AM9:30 PM(previous day)
3:00 AM10:30 PM(previous day)
4:00 AM11:30 PM(previous day)
5:00 AM12:30 AM
6:00 AM1:30 AM
7:00 AM2:30 AM
8:00 AM3:30 AM
9:00 AM4:30 AM
10:00 AM5:30 AM
11:00 AM6:30 AM
12:00 PM7:30 AM
1:00 PM8:30 AM
2:00 PM9:30 AM
3:00 PM10:30 AM
4:00 PM11:30 AM
5:00 PM12:30 PM
6:00 PM1:30 PM
7:00 PM2:30 PM
8:00 PM3:30 PM
9:00 PM4:30 PM
10:00 PM5:30 PM
11:00 PM6:30 PM

Daylight saving and how the gap changes

Around January Lisbon is 5 hours and 30 minutes behind IST. Around July it is 4 hours and 30 minutes behind IST. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is Lisbon ahead of or behind IST right now?
Lisbon is currently 4 hours and 30 minutes behind IST.
What is the current IST to Lisbon time difference?
Right now the gap is 4 hours and 30 minutes — Lisbon is 4 hours and 30 minutes behind IST.
Does the IST → Lisbon offset change during the year?
Yes. Around January Lisbon is 5 hours and 30 minutes behind IST; around July it is 4 hours and 30 minutes behind IST. The converter above always reflects the correct offset for the date you pick.
Does IST observe daylight saving time?
No — India Standard Time stays at a fixed UTC offset year-round.
Does Lisbon observe daylight saving time?
Yes — Lisbon observes DST, so its UTC offset shifts by 1 hour between winter and summer.
What time is 3 AM IST in Lisbon?
3:00 AM IST is 10:30 PM (previous day) Lisbon.
What time is 8 AM IST in Lisbon?
8:00 AM IST is 3:30 AM Lisbon.
What time is 9 AM IST in Lisbon?
9:00 AM IST is 4:30 AM Lisbon.
What time is 10 AM IST in Lisbon?
10:00 AM IST is 5:30 AM Lisbon.
What time is 11 AM IST in Lisbon?
11:00 AM IST is 6:30 AM Lisbon.
What time is 12 PM (noon) IST in Lisbon?
12:00 PM IST is 7:30 AM Lisbon.
What time is 2 PM IST in Lisbon?
2:00 PM IST is 9:30 AM Lisbon.
What time is 3 PM IST in Lisbon?
3:00 PM IST is 10:30 AM Lisbon.
What time is 4 PM IST in Lisbon?
4:00 PM IST is 11:30 AM Lisbon.
What time is 5 PM IST in Lisbon?
5:00 PM IST is 12:30 PM Lisbon.
What time is 9 PM IST in Lisbon?
9:00 PM IST is 4:30 PM Lisbon.
What time is 10 PM IST in Lisbon?
10:00 PM IST is 5:30 PM Lisbon.
When is the best time to schedule a call between IST and Lisbon?
The working-hours overlap (09:00–17:00 in both zones) runs roughly 1:30 PM – 5:00 PM IST (≈ 3 hours and 30 minutes). The midpoint of that window — 3:15 PM IST, 10:45 AM Lisbon — is the safest single slot to propose for a live call.
What time zone does IST refer to?
IST refers to India Standard Time (IANA: Asia/Kolkata).
What time zone does Lisbon refer to?
Lisbon uses the Europe/Lisbon time zone.
Is IST on this page the same as other zones that share the letters "IST"?
On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.

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