12 noon
CST is UTC-5, this means it is five hours behind GMT/UTC. Therefore, 12 noon in CST is 5pm in GMT.
When it's 12 noon NDT on Newfoundland Island, it's 2:30 PM GMT. When it's 12 noon NST on Newfoundland Island, it's 3:30 PM GMT.
17:00 GMT is 11:00 AM Central Standard Time (CST) or 12 Noon Central Daylight Time (CDT).
From the last Sunday of March until the last Sunday of October, London is one hour ahead of Reykjavík. During the rest of the year there is no time difference between London and Reykjavík. When it's 12 noon GMT in Reykjavík it's either 12 noon GMT or 1 PM BST in London.
As I write this it is 8:05 PM there. For reference: The Dominican Republic time is GMT -4; Both Cuba & Florida in the USA are GMT-5; Brazil is GMT -3; and England itself is GMT. So... At 3 PM London time it is: 12 noon in Brazil; 11 AM in the Dominican Republic; 10 AM in Cuba
When it's 12 noon EST in Jamaica, it's 5 PM GMT in Ghana.
CST is UTC-5, which means it is five hours behind GMT/UTC. Therefore, 5pm in GMT is 12 noon in CST.
At 12:30 PDT it's 19:30 GMT, and at 12:30 PST it's 20:30 GMT.
There is not enough information to answer this question, unless by 'mid-day' you mean exactly 12 noon, Fiji time.
Noon is 12:00 p.m.
Portland, OR is in the Pacific time zone which is 8 hours behind Greenwich Mean Time (GMT). That means when it is 12 noon in London, it is 4 a.m. in Portland.