India presently does not observe daylight saving time DST or summer time. The official time signal is given by the Time and Frequency Standards Laboratory. The date and time notation in India shows some peculiarities. One of the earliest known descriptions of standard time in India appeared in the 4th century CE astronomical treatise Surya Siddhanta. The day used by ancient Indian astronomers began at sunrise at the prime meridian of Ujjain,  and was divided into smaller time units in the following manner: . For most of India's history , ruling kingdoms kept their own local time, typically using the Hindu calendar in both lunar and solar units.
Time Zone in India
python - How to add Indian Standard Time (IST) in Django? - Stack Overflow
What's unusual is that there is only one time zone across the whole of India. The time zone is calculated according to the longitude of It's also important to note is that Daylight Saving Time doesn't operate in India. In general, without taking into account Daylight Saving Time, the time in India is Time zones were officially established in India in , during British rule. Two time zones were used -- Bombay Time and Calcutta Time -- due to the importance of these cities as commercial and economic centers. IST was introduced on January 1,
You Should Know
While most of the world is familiar with time zones that differ in increments of an hour, there are many places in the world that use offset time zones. These time zones are offset by a half-hour or even fifteen minutes off of the standard twenty-four time zones of the world. The twenty-four time zones of the world are based on fifteen degree increments of longitude. This is so because the earth takes twenty-four hours to rotate and there are degrees of longitude, so divided by 24 equals Thus, in one hour the sun moves across fifteen degrees of longitude.
Join Stack Overflow to learn, share knowledge, and build your career. Connect and share knowledge within a single location that is structured and easy to search. We want to get the current time in India in our Django project. In settings.