What is the time difference between Kabul and Kolkata?

Kolkata is 1 hour ahead of Kabul during standard time.

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

The best times to connect are 9:00 AM GMT+4:30, 10:00 AM GMT+4:30, 11:00 AM GMT+4:30, when both regions are within standard business hours.

Kabul to Delhi Time Converter — GMT+4:30 to GMT+5:30, 1 hour difference

24-Hour Overlap Timeline

✅ Overlap: 9:00 AM–5:00 PM in Kabul · 10:00 AM–6:00 PM in Delhi (8h 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 →
🇦🇫 Kabul UTC+4:30	4a	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p	12a	1a	2a	3a
🇮🇳 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: Kabul (GMT+4:30) vs Delhi (GMT+5:30)

Time Gap

1h

Kolkata ahead

DST Status

✅ Kabul

No DST

✅ Kolkata: No DST

Cities in GMT+4:30

31

Largest: Kabul

4,273,156 pop.

Overlap Window

8h window

9:00 AM – 5:00 PM (GMT+4:30)

10:00 AM – 6:00 PM (GMT+5:30)

Find Cities in Kabul & Kolkata Timezones

The GMT+4:30 and GMT+5:30 timezones are separated by 1 hour. Kabul is the largest city in the Asia/Kabul 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 8 hours of mutual business-hours overlap each day.

Best Times to Schedule Calls: Kabul (GMT+4:30) ↔ Delhi (GMT+5:30)

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

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

GMT+4:30 to GMT+5:30: Complete 24-Hour Time Conversion Table

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

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

31 Cities in Kabul (GMT+4:30) & 600 Cities in Kolkata (GMT+5:30) — Page 1 of 3

Kabul & 30 more — Kabul (GMT+4:30, UTC+4:30)

Ghazni, AF Paghman, AF Pul-e Khumri, AF Bamyan, AF Charikar, AF Baghlan, AF Balkh, AF Tarin Kot, AF Gardez, AF Bazar-e Yakawlang, AF Faizabad, AF Qal`ah-ye Now, AF Ghoriyan, AF Sar-e Pul, AF Haskah Menah, AF Mahmud-e Raqi, AF

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

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Convert Kabul (GMT+4:30) to Delhi (GMT+5:30) Time — 1 hour apart