Singapore's time is 8 hours ahead of GMT (GMT +8); noon in greenwich would equate to 8pm in Singapore.
The time zones of the world are set according to Greenwich Mean Time, from the Greenwich Observatory in England. If it is noon in Japan, it is 0300 or 3 o'clock in the morning in Greenwich.
12
Houston is in the Central Time Zone, which is 6 hours behind Greenwich Mean Time. Therefore, if it is 12 noon in Greenwich, it would be 6 AM in Houston.
Dublin is at (Greenwich Mean Time) GMT. Singapore is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. If it is 13:00 in Dublin, it is 21:00 in Singapore.
When it's noon CDT in Houston, it's 1 AM SGT in Singapore. When it's noon CST in Houston, it's 2 AM SGT in Singapore. When it's noon MDT in El Paso, it's 2 AM SGT in Singapore. When it's noon MST in El Paso, it's 3 AM SGT in Singapore.
4:00a.m.
Noon Greenwich Mean Time in Greenwich (UTC/UTC+1) = 2 PM Eastern European Time in Kiev (UTC+2/UTC+3) 1 PM British Summer Time in Greenwich = 3 PM Eastern European Summer Time in Kiev
Singapore is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Pakistan is (Greenwich Mean Time) GMT +5 hours, ie. 5 hours ahead of Greenwich, England. If it is 11am in Singapore, it is 8am in Pakistan. (Daylight savings not taken into account.)
Noon Greenwich Mean Time in Greenwich (UTC/UTC+1) = 2 PM Eastern European Time in Kiev (UTC+2/UTC+3) 1 PM British Summer Time in Greenwich = 3 PM Eastern European Summer Time in Kiev
India is (Greenwich Mean Time) GMT +5.5 hours, ie. 5.5 hours ahead of Greenwich, England. Singapore is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. If it is 1pm in India, it is 3:30pm in Singapore. (Daylight savings not taken into account.)
time ball
Cape Town is (Greenwich Mean Time) GMT +2 hours, ie. 2 hours ahead of Greenwich, England. Singapore is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. If it is 2338 in Cape Town, it is 0538 (the following day) in Singapore. (Daylight savings not taken into account.)