Change 55419

Time Attribute with previous and current values
Change #55419
2019-10-29
20:57:16

update Calagator::Event 1250476334 [Programming 101] Oct 22nd - Oct 30th Roll back

end_time 2019-10-30 21:30:00 -0700 2019-10-22 21:30:00 -0700