UTC−05:00 is an identifier for a time offset from UTC of −05:00. In North America, it is observed in the Eastern Time Zone during standard time, and in
UTC+05:45 is an identifier for a time offset from UTC of +05:45. The time zone is used in Nepal. It is one of only three time zones with a 45-minute offset
UTC+05:40 is an identifier for a time offset from UTC of +05:40. It is not currently used in any region in the world, but it was formerly used in Nepal