Sikkim, India
Sikkim observes India Standard Time, UTC+5:30, all year. Gangtok, Namchi, Gyalshing, and Mangan share one official clock, but mountain terrain and location affect when direct sunlight becomes visible.
Gangtok, India
Friday, 4 September 2026
UTC+5:30 · Asia/Kolkata
Time and sun data for Gangtok — the largest city of Sikkim
The sun in Gangtok
Sunrise 05:17 Solar noon 11:36 Sunset 17:55 Daylight 12 h 38 min Night 11 h 22 min Civil twilight 04:53 – 18:19
India · 341 cities · page 1 of 2
Largest cities
- Gangtok 100 286
- Namchi 12 190
- Rangpo 10 450
- Jorethang 9 009
- Singtam 6 133
- Rhenok 5 883
- Mangan 4 644
- Gyalshing 4 013
- Nayabazar 1 235
- Naya Bazar 1 035
- Yuksom 150
All cities — page 1
- Ahale
- Akhria
- Amba
- Amlai
- Aritar
- Aritar Barbati
- Arubote
- Asangthang
- Baijak
- Baisalu
- Bara Pathing
- Bareng
- Barmiak
- Barmiāk
- Be
- Bhalukhop
- Bhālukhop
- Bhasme
- Bhurtuk
- Bikmat
- Bokrong
- Budang
- Bul
- Bum
- Bumtar
- Burdāng
- Burdang
- Burikhop
- Burul
- Burung
- Chakung
- Chalamthang
- Chamluk
- Chandmari
- Chautare
- Chentang
- Chhanggu
- Chho Thuibe
- Chhota Pathing
- Chhuba
- Chhubakha
- Chidam
- Chimche
- Chiuri Bote
- Chomnagu
- Chongbong
- Chumikteng
- Chungtlang
- Chuntang
- Chuzachen
- Chuzāchen
- Dambudanda
- Damiakha
- Damthang
- Dangrang
- Daring
- Debrong
- Denchong
- Dentam
- Deo
- Dethang
- Dhajedanda
- Dhaphgaon
- Dharmdin
- Dharmdīn
- Dikchu
- Dikling
- Dintam
- Dolepchand
- Dolma Sampa
- Dong
- Dong Basti
- Donkung
- Duga
- Dugalakha
- Dumra
- Dzongri
- East
- Gairigaon
- Gangate
- Gangtok
- Geling
- Goke
- Gom
- Gyalshing
- Haltu
- Hathidhunga
- Higaon
- Jakthang
- Jaubari
- Jhulangi
- Jhūm
- Jhum
- Jitlang
- Jorethang
- Jorthang
- Joshithang
- Kainthle
- Kaluk
- Kamere
- Kamigaon
- Kamling
- Kamrang
- Kanam
- Karek
- Karthok
- Karthuk
- Kartok
- Kasur
- Kateng
- Kerabari
- Kerang
- Khanigaon
- Khānigaon
- Kholagari
- Khop
- Khuthigaon
- Kitam
- Kolbung
- Komer
- Kopche
- Kopre
- Kubnegaon
- Kumlate
- Kupup
- Kyongsa
- Lachen
- Lachung
- Lakha Pharma
- Lamaten
- Lema
- Lingang
- Lingsey
- Lingtam
- Lingtām
- Lingthing
- Lingtse
- Lingtse
- Lungchauk
- Lungthu
- Lusing
- Mabong
- Machong
- Majhitar
- Malbase
- Malidang
- Malthek
- Mamje
- Mamring
- Mānedānda
- Manedanda
- Mangalbare
- Mangan
- Mangbir
- Mangble
- Mangorjang
- Mangreng
- Mangwa
- Maniram
- Manjhitar
- Manu
- Martam
- Mayong
- Melli Bazar
- Mellidanda
- Mikhola
- monastère de Rumteck
- Mungram
- Nagg Tel
- Nagidanda
- Nakchok
- Nalām
- Nalam
- Namchi
- Namchibung
- Nāmgaon
- Namgaon
- Nāmgaon
- Nāmgaon
- Namphing
- Namrek
- Namthang
- Nandu
- Nangalepcha
- Nathang
- Naya Bazar
- Nayabazar
- Nomnang
- North
- Omchhu
- Pabong
- Pachak
- Pache
- Pāche
- Pachi
- Padam
- Padamche
- Padamchen
- Pagigaon
- Pakyong
Current time in Sikkim, India
The time shown for Sikkim is IST, the national time used across India. There is no separate Himalayan time zone and no daylight saving clock change in the state. This makes domestic scheduling straightforward: a train time, government appointment, or video call stated in IST means the same moment in Sikkim as it does elsewhere in India. International conversions must retain the half-hour portion of the offset.
A mountain may postpone your view of the sun, but it has yet to persuade the clock to wait.
Places that share Sikkim’s clock
Sikkim’s settlements all use UTC+5:30. Gangtok is the capital and principal urban centre, while other important towns serve different districts and travel routes. Gangtok in the east Namchi in the south
Gyalshing in the west Mangan in the north Rangpo near an important approach to the state Singtam, a significant road-linked town No time adjustment is necessary when travelling among them. The larger practical concern is journey duration: mountain roads can make places that look close on a map take longer to reach, but elapsed travel time does not imply a different zone.
Sikkim keeps the same civil time during summer, monsoon, autumn, and winter. If a visitor’s home country changes clocks seasonally, the international time difference may change while Sikkim remains fixed.
Sunrise in mountain surroundings
A calculated sunrise marks the astronomical event for a location. The moment direct sunlight reaches a particular street or valley can be later because a ridge, peak, building, or cloud bank blocks the horizon.
Eastern and western parts of Sikkim do not have identical solar times. Elevation and the shape of the visible horizon add another layer, making a town-specific forecast more useful than a single statewide sunrise entry.
Look up the precise town and date. Distinguish astronomical sunrise from first direct sunlight. Check local weather if views or photography are important. Plan extra time for travel to a viewpoint before dawn.
Day length also changes through the seasons. For a trek, viewpoint visit, or early road departure, consult current local information rather than assuming that yesterday’s sunrise remains accurate.
Questions and answers
- Does Sikkim have its own time zone?
- No. It uses India Standard Time along with the rest of the country.
- Does the clock change during the year?
- No. Sikkim does not observe daylight saving time.
- Why might sunlight appear after the listed sunrise?
- Mountains or other obstacles can block the visible sun after the astronomical sunrise has occurred.