Daily opening time of US 10-year treasury bond yield
Saturday and Sunday 6:00-5:00 pm Eastern Time. The US 10-year Treasury bonds are open from Sunday to Friday, from 6: 00 pm to 5: 00 pm EST (5:00 pm-4:00 pm EST), with a 60-minute short break at 5: 00 pm EST (4: 00 pm EST) every day.