Which section are you taking?

Code Start - End Meeting Time
CHEM 1B 2019-01-07 - 2019-03-15 TR 12:30pm-01:50pm
CHEM 1B 2020-01-02 - 2020-03-20 TR 12:30pm-01:50pm
CHEM 1B 2021-01-04 - 2021-03-12 MWF 02:00pm-02:50pm
CHEM 1B 2021-01-04 - 2021-03-12 MWF 04:00pm-04:50pm