Change 55873

Time Attribute with previous and current values
Change #55873
2020-01-08
11:46:54

update Calagator::Event 1250476621 Programming with Python 3 Roll back

end_time 2020-02-12 13:00:00 -0800 2020-02-26 13:00:00 -0800
start_time 2020-02-12 10:30:00 -0800 2020-02-26 10:30:00 -0800