Rujukan Waktu Piawai India

1 2 "India Time Zones". Greenwich Mean Time (GMT). Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan); pautan luar dalam |work= (bantuan)
↑ "Military and Civilian Time Designations". Greenwich Mean Time (GMT). Dicapai 2 Desember. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan); pautan luar dalam |work= (bantuan)
1 2 3 4 Sen, Ayanjit (21 Ogos 2001). "India investigates different time zones". BBC News. Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date=, |date= (bantuan); pautan luar dalam |work= (bantuan)
↑ Schmidt, Olaf H. (1944). "The Computation of the Length of Daylight in Hindu Astronomy". Isis, 35(3):205-211. The University of Chicago Press. Dicapai 29 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan)
1 2 Burgess, Ebenezer. 1858-1860. "Translation of the Surya-Sikddhanta, A Text-Book of Hindu Astronomy; With Notes, and an Appendix." Journal of the American Oriental Society, 6:141-498. (hal. 183-186).
↑ Swerdlow, N. 1973. "A Lost Monument of Indian Astronomy." Isis. 64(2):239-243.
↑ Das, Sukumar Ranjan. 1928. "The Equation of Time in Hindu Astronomy", The American Mathematical Monthly, 35(10):540-543. URL diakses pada 1 Desember 2006.
↑ Piepoli, M. 1997. "Origin of Respiratory Sinus Arrhythmia in Conscious Humans." Circulation. 95:1813-1821. URL diakses pada 1 Disember 2006.
↑ Tomczak, Matthias (15 Juli 2004). "Lecture 7: Living with the seasons—the calendar problem". Lectures on Science, civilization and society, Flinders University, Australia. Dicapai 1 Desember. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date=, |date= (bantuan)
↑ "History of Indian Time (IST)". Greenwich Mean Time (GMT). Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan); pautan luar dalam |work= (bantuan)
↑ "History of Indian Institute of Geomagnetism". National Informatics Centre. 10 Oktober 2006. Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan)
1 2 3 4 "Odds and Ends". Indian Railways Fan Club. Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan); pautan luar dalam |work= (bantuan)
↑ "Indian Time Zones (IST)". Project Gutenberg. International Conference Held at Washington for the Purpose of Fixing a Prime Meridian and a Universal Day. October, 1884 Protocols of the Proceedings. Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan); pautan luar dalam |work= (bantuan)
↑ "Note on the earthquake of 31 December 1881, Records of the Geological Survey of India,, XVII(2), 47–53, 1884". Cooperative Institute for Research in Environmental Sciences (CIRES). Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan)
↑ S. Muthiah (2002-01-07). "A matter of time". The Hindu Business Line. The Hindu Group. Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date=, |date= (bantuan); pautan luar dalam |work= (bantuan)
↑ "Standard Time for Different Regions". Department of Science and Technology. 22 Juli 2004. Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date=, |date= (bantuan)
↑ "A matter of time". National Resource Centre for Women. Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan)
↑ "Indian Time Today (IST)". Greenwich Mean Time (GMT). Dicapai 25 November. Parameter |accessyear= tidak diketahui diabaikan (guna |access-date=) (bantuan); Check date values in: |access-date= (bantuan); pautan luar dalam |work= (bantuan)
↑ "Satellites for Navigation". Press Information Bureau, Government of India. Dicapai 25 November. Check date values in: |access-date= (bantuan); pautan luar dalam |work= (bantuan)