From 12: 00 p.m. to 3: 00 p.m., I taught my intro class, 3: 00 p.m. to 6: 00 p.m., I taught my advanced class. "Where were you the 11th?" "Where were you the 10th?" "Where were you the 29th?
С 12.00 до 15.00 я вел урок для начинающих, с 15: 00 до 18: 00 - урок для продвинутой группы. "Где вы были 11-го?", "Где вы были 10-го?", "Где вы были 29-го?