singular noun. If you have a grounding in a subject, you know the basic facts or principles of that subject, especially as a result of a particular course of training or instruction. The degree provides a thorough grounding in both mathematics and statistics.
Converting Shanghai Time to GMT. This time zone converter lets you visually and very quickly convert Shanghai, China time to GMT and vice-versa. Simply mouse over the colored hour-tiles and glance at the hours selected by the column... and done! GMT is known as Greenwich Mean Time. GMT is 8 hours behind Shanghai, China time.
UTC+5h or GMT +5h would refer to that time zone being five hours ahead of UTC of GMT and so forth for the other time zones. The usage of UTC and GMT is based upon a twenty four hour clock, similar to military time, and is based upon the 0 longitude meridian, referred to as the Greenwich meridian in Greenwich, England.