What is the time difference between Casablanca and Kolkata?

Kolkata is 4 hours 30 minutes ahead of Casablanca during standard time.

When is the best time to schedule a call between Casablanca and Kolkata?

The best times to connect are 9:00 AM GMT+1, 10:00 AM GMT+1, 11:00 AM GMT+1, when both regions are within standard business hours.

Casablanca to Delhi Time Converter — GMT+1 to GMT+5:30, 4 hours 30 minutes difference

24-Hour Overlap Timeline

✅ Overlap: 9:00 AM–2:00 PM in Casablanca · 1:00 PM–6:00 PM in Delhi (5h window)

	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
UTC →
🇲🇦 Casablanca UTC+1	1a	2a	3a	4a	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p	12a
🇮🇳 Delhi UTC+5:30	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p	12a	1a	2a	3a	4a
🇮🇳 India (IST) UTC+5:30	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p	12a	1a	2a	3a	4a

Both working Working Off hours Sleeping Now

Key Facts: Casablanca (GMT+1) vs Delhi (GMT+5:30)

Time Gap

4h 30m

Kolkata ahead

DST Status

✅ Casablanca

No DST

✅ Kolkata: No DST

Cities in GMT+1

73

Largest: Casablanca

3,215,935 pop.

Overlap Window

5h window

9:00 AM – 2:00 PM (GMT+1)

1:00 PM – 6:00 PM (GMT+5:30)

Find Cities in Casablanca & Kolkata Timezones

The GMT+1 and GMT+5:30 timezones are separated by 4 hours 30 minutes. Casablanca is the largest city in the Africa/Casablanca zone and Delhi is the largest in Asia/Kolkata. Neither timezone observes daylight saving time, so the difference is constant year-round. For scheduling between these regions, the key fact is: there are 5 hours of mutual business-hours overlap each day.

Best Times to Schedule Calls: Casablanca (GMT+1) ↔ Delhi (GMT+5:30)

Casablanca (GMT+1)	Kolkata (GMT+5:30)	Quality
2:00 AM	6:00 AM	❌
3:00 AM	7:00 AM	❌
4:00 AM	8:00 AM	❌
5:00 AM	9:00 AM	❌
6:00 AM	10:00 AM	❌
7:00 AM	11:00 AM	⚠️
8:00 AM	12:00 PM	⚠️
9:00 AM	1:00 PM	✅
10:00 AM	2:00 PM	✅
11:00 AM	3:00 PM	✅
12:00 PM	4:00 PM	✅
1:00 PM	5:00 PM	✅
2:00 PM	6:00 PM	⚠️
3:00 PM	7:00 PM	⚠️
4:00 PM	8:00 PM	❌
5:00 PM	9:00 PM	❌
6:00 PM	10:00 PM	❌
7:00 PM	11:00 PM	❌
8:00 PM	12:00 AM +1 day	❌
9:00 PM	1:00 AM +1 day	❌

Work hours defined as 09:00–18:00 local time. ✅ Both in work hours ⚠️ Borderline ❌ Outside work hours.

GMT+1 to GMT+5:30: Complete 24-Hour Time Conversion Table

Casablanca (GMT+1)	Kolkata (GMT+5:30)	IST (UTC+5:30)
12:00 AM	4:30 AM	4:30 AM
1:00 AM	5:30 AM	5:30 AM
2:00 AM	6:30 AM	6:30 AM
3:00 AM	7:30 AM	7:30 AM
4:00 AM	8:30 AM	8:30 AM
5:00 AM	9:30 AM	9:30 AM
6:00 AM	10:30 AM	10:30 AM
7:00 AM	11:30 AM	11:30 AM
8:00 AM	12:30 PM	12:30 PM
9:00 AM	1:30 PM	1:30 PM
10:00 AM	2:30 PM	2:30 PM
11:00 AM	3:30 PM	3:30 PM
12:00 PM	4:30 PM	4:30 PM
1:00 PM	5:30 PM	5:30 PM
2:00 PM	6:30 PM	6:30 PM
3:00 PM	7:30 PM	7:30 PM
4:00 PM	8:30 PM	8:30 PM
5:00 PM	9:30 PM	9:30 PM
6:00 PM	10:30 PM	10:30 PM
7:00 PM	11:30 PM	11:30 PM
← Date changes in Kolkata →
8:00 PM	12:30 AM +1	12:30 AM
9:00 PM	1:30 AM +1	1:30 AM
10:00 PM	2:30 AM +1	2:30 AM
11:00 PM	3:30 AM +1	3:30 AM

IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.

73 Cities in Casablanca (GMT+1) & 600 Cities in Kolkata (GMT+5:30) — Page 1 of 3

Casablanca & 72 more — Casablanca (GMT+1, UTC+1)

Delhi & 599 more — Kolkata (GMT+5:30, UTC+5:30)

Kottarassheri, IN Attadappa, IN Barmhan Kalan, IN Mirzapur, IN Nagpur, IN Ghaziabad, IN Supaul, IN Vadodara, IN Rajkot, IN Vishakhapatnam, IN Indore, IN Thane, IN Bhopal, IN Agra, IN Peyanvilai, IN Pimpri-Chinchwad, IN Patna, IN Bilaspur, IN Ludhiana, IN Madurai, IN Jamshedpur, IN Nasik, IN Vijayawada, IN Faridabad, IN Najafgarh, IN Meerut, IN Jabalpur, IN Kalyan, IN Vasai-Virar, IN Panipat, IN Varanasi, IN Kalleli, IN Srinagar, IN Aurangabad, IN Dhanbad, IN Amritsar, IN Aligarh, IN Guwahati, IN Haora, IN Ranchi, IN Gwalior, IN Chandigarh, IN Jodhpur, IN Raipur, IN Kota, IN Bareilly, IN Coimbatore, IN Solapur, IN Hubli, IN Mysore, IN Trichinopoly, IN Moradabad, IN Tiruppur, IN Gurgaon, IN Jalandhar, IN Bhubaneshwar, IN Narela, IN Bhayandar, IN Karimnagar, IN Patiala, IN Shishgarh, IN Colombo, LK Thiruvananthapuram, IN Durgapur, IN Bhiwandi, IN Bhilwara, IN Saharanpur, IN Warangal, IN Shiliguri, IN Salem, IN Kochi, IN Gorakhpur, IN Guntur, IN Karaikandi, IN Haldwani, IN Dhulia, IN Bhavnagar, IN Noida, IN Bhangar, IN Bhilai, IN Mangalore, IN Bihta, IN Hasanpur, IN Cuttack, IN Salimpur, IN Raurkela, IN Tumkur, IN Dehra Dun, IN Kottayam, IN Asansol, IN Bokaro Steel City, IN Kolhapur, IN Nava Raipur, IN Ajmer, IN Nanded, IN Amravati, IN Nellore, IN Dispur, IN Gulbarga, IN Bikaner, IN Agartala, IN Chanda, IN Loni, IN Ujjain, IN Jhansi, IN Ulhasnagar, IN Jammu, IN Tuticorin, IN Purnea, IN Belgaum, IN Vellore, IN Malegaon, IN Jamnagar, IN Bardoli, IN Gaya, IN Ambattur, IN Jalgaon, IN Chhatarpur, IN Kurnool, IN Udaipur, IN Wapi, IN Chauddagram, BD Mathura, IN Sangli, IN Davangere, IN Calicut, IN Mothihari, IN Akola, IN Bettiah, IN Shorapur, IN Tinnevelly, IN Bellary, IN Bhagalpur, IN Manampizha, IN Delhi Cantonment, IN Salt Lake City, IN Etawa, IN Sonipat, IN Quilon, IN Mulangodi, IN Munro Turuttu, IN Karur, IN Jalna, IN Bairia, IN Bhatpara, IN Sirur, IN Kakinada, IN Panihati, IN Rohtak, IN Maler Kotla, IN Kolga, IN Korba, IN Sikar, IN Sasaram, IN Karnal, IN Brahmapur, IN Ahmadnagar, IN Shahjanpur, IN Avadi, IN Khanapur, IN Cuddapah, IN Alamadi, IN Rajahmundry, IN Alwar, IN Sambalpur, IN Muzaffarpur, IN Kamarhati, IN Campiernagar, IN Bijapur, IN Ratnagiri, IN Jagdalpur, IN Rampur, IN Shimoga, IN Kashipur, IN Junagadh, IN Hapur, IN Pattikad, IN Trichur, IN Barddhaman, IN Panvel, IN Nizamabad, IN Parbhani, IN Hisar, IN Fatehpur, IN Birania, IN

🇳🇳

india-guide.in

India’s travel planning guide

🗺️ Plan a Trip 🏕️ Weekend Trips ✈️ Travel Guide

Convert Casablanca (GMT+1) to Delhi (GMT+5:30) Time — 4 hours 30 minutes apart