If its 01.00 pm in US what is the time United Kingdom?

To convert the time from 01.00 PM in the United States to the time in the United Kingdom, you need to take into account the time difference between the two countries. The United Kingdom is 5 hours ahead of the Eastern Time Zone (ET) in the United States. Therefore, when it is 01.00 PM in the US (ET), it would be 06.00 PM in the United Kingdom.