Kolkata and Lagos: Time & DST

Kolkata ticks 4 hours 30 minutes ahead of the other location

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

Lagos

Portugal · -4.5h

04:30

London

United Kingdom · -4.5h

04:30

New York

USA · -9.5h

23:30-1 day

Tokyo

Japan · +3.5h

12:30

Dubai

United Arab Emirates · -1.5h

07:30

Time difference: Kolkata and Lagos

Kolkata is 4 hours 30 minutes ahead of Lagos. At noon in Kolkata, your contact in Lagos sees 07:00.

Kolkata runs on Asia/Kolkata; Lagos runs on Europe/Lisbon. Together they are 4.5 hours 30 minutes apart.

Business hours comparison

Kolkata and Lagos share 3.5 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.

00:0006:0012:0018:0024:00

Kolkata

Lagos

Overlap (3.5h)

Best call times between these locations

There is a 3.5-hour daily window where both locations are in business hours. The 3 best slots are listed below.

14:00 Kolkata / 09:00 Lagos✓ Both working

15:00 Kolkata / 10:00 Lagos✓ Both working

16:00 Kolkata / 11:00 Lagos✓ Both working

Working hours defined as 09:00–17:00 local time for each location.

Public holidays for both locations

Kolkata

No upcoming public holidays this year.

Lagos8 holidays

Jul 1Madeira Day

Aug 15Assumption Day

Oct 5Republic Day

Nov 1All Saints Day

Dec 1Restoration of Independence

Scheduling between Kolkata and Lagos

Kolkata (India) and Lagos (Portugal) are 4.5 hours apart. With a 3.5-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.

💡 Scheduling tips for these locations

✅

If you are in Kolkata, aim for 14:00–15:00, which corresponds to 09:00–10:00 in Lagos — both teams are within working hours.

✅

If you are in Kolkata, aim for 15:00–16:00, which corresponds to 10:00–11:00 in Lagos — both teams are within working hours.

✅

If you are in Kolkata, aim for 16:00–17:00, which corresponds to 11:00–12:00 in Lagos — both teams are within working hours.

Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.

Add to your browser — Free →

Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Kolkata".

Kolkata ↔ Lagos

3h of business hours overlap daily (09:00–17:00)· Showing core hours (08:00–18:00)

Kolkata

Lagos

08:00

03:30

09:00Working

04:30off

10:00Working

05:30off

11:00Working

06:30off

12:00Working

07:30off

13:00Working

08:30off

14:00Working

09:30Working

15:00Working

10:30Working

16:00Working

11:30Working

17:00

12:30Working

18:00

13:30Working

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Quick time conversions: Kolkata → Lagos

Common reference points to help you plan across the time difference.

When it's 7:00 PM in Kolkata, the time in Lagos is 2:30 PM.

If it's 11:00 AM where I am in Kolkata, what does Lagos show?—6:30 AM

7:00 AMin Kolkata→2:30 AMin Lagos

For every 3:00 PM in Kolkata, it's simultaneously 10:30 AM in Lagos.

6:00 PMin Kolkata→1:30 PMin Lagos

Frequently Asked Questions

What is the Kolkata to Lagos time difference?

Kolkata is 4 hours 30 minutes ahead of Lagos. Kolkata uses Asia/Kolkata and Lagos uses Europe/Lisbon.

When do Kolkata and Lagos business hours overlap?

With 3.5 hours of overlap, there is enough room for quality collaboration. 14:00 Kolkata / 09:00 Lagos keeps both sides comfortable.

Does daylight saving time affect the Kolkata–Lagos difference?

Neither Kolkata nor Lagos has a DST transition this week. The 4 hours 30 minutes gap remains consistent.

What is the Lagos equivalent of 12:00 PM Kolkata time?

12:00 PM Kolkata time = 7:30 AM in Lagos.

How can I quickly find the current time in Lagos from Kolkata?

Drag the slider to your desired Kolkata time — Lagos updates in real time. Or type "3pm", "15:00", or even location-specific like "9am Tokyo".

Are there public holidays that might interrupt meetings between Kolkata and Lagos?

Lagos observes Madeira Day on July 1. Keep this in mind when coordinating between Kolkata and Lagos.

What are the IANA timezone identifiers for Kolkata and Lagos?

Asia/Kolkata covers Kolkata; Europe/Lisbon covers Lagos. This gives a 4 hours 30 minutes difference.

What time is a 9 AM Kolkata meeting in Lagos?

9 AM in Kolkata → 4:30 AM in Lagos. That falls outside standard hours in Lagos — confirm with your contact.

When I leave the office at 5 PM in Kolkata, what time is it in Lagos?

When the workday ends at 5 PM in Kolkata, Lagos reads 12:30 PM. Your Lagos contact should still be at their desk.

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