Bangladesh (বাংলাদেশ, lit. "The country of Bengal"), officially the People's Republic of Bangladesh (গণপ্রজাতন্ত্রী বাংলাদেশ), is a country in South Asia.
Colombo (translit,; translit) is the commercial capital and largest city of Sri Lanka.
India (IAST), also called the Republic of India (IAST), is a country in South Asia.
Indian Standard Time (IST) is the time observed throughout India, with a time offset of UTC+05:30.
Madras Time was a time zone established in 1802 by John Goldingham, the first official astronomer of the British East India Company in India when he determined the longitude of Madras as 5 hours, 21 minutes and 14 seconds ahead of Greenwich Mean Time.
Mumbai (also known as Bombay, the official name until 1995) is the capital city of the Indian state of Maharashtra.
Nepal (नेपाल), officially the Federal Democratic Republic of Nepal (सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल), is a landlocked country in South Asia located mainly in the Himalayas but also includes parts of the Indo-Gangetic Plain.
Sri Lanka (Sinhala: ශ්රී ලංකා; Tamil: இலங்கை Ilaṅkai), officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia, located in the Indian Ocean to the southwest of the Bay of Bengal and to the southeast of the Arabian Sea.
Sri Lanka Standard Time (SLST) (Sinhala: ශ්රී ලංකාවේ සම්මත වේලාව Shri Lankavay Sammatha Velava) is the time zone for Sri Lanka.
The UTC offset is the difference in hours and minutes from Coordinated Universal Time (UTC) for a particular place and date.