Singapore is 14 hours ahead of CST, so it would be 22:00.
US Central Time, CST (UTC -6) is normally 14 hours behind Singapore Standard Time, SST (UTC +8). This is decreased by one hour during Daylight Savings Time (CDT). There is a day difference when Singapore time is between midnight and 2 PM local time (CST) or between midnight and 1 PM (CDT).
It's 7 am CST
US Pacific Standard Time is 2 hours behind US Central Standard Time, so if it is 8:30 PST it would be 10:30 CST.
Assuming North American Central Time,...7 PM CDT = 8 AM SGT7 PM CST = 9 AM SGT
At 7 PM CST, it's 8 PM CDT.
6 am PDT = 7 AM CST = 8 AM CDT 6 AM PST = 8 AM CST = 9 AM CDT
it is 10:00 am central time
Singapore is in GMT + 8 Time Zone.
8 AM Singapore time