{{ before.startClassTime ? before.startClassTime.substr(0, 16) : '' }}-{{ before.endClassTime ? before.endClassTime.substr(11,5) : ''}}
{{ after.startClassTime ? after.startClassTime.substr(0, 16) : '' }}-{{ after.endClassTime ? after.endClassTime.substr(11,5) : ''}}
{{ after.startClassTime ? after.startClassTime.substr(0, 16) : '' }}-{{ after.endClassTime ? after.endClassTime.substr(11,5) : ''}}