Alarms Bc This Morning My Alarm Went Off At The Right Time BUT My Phone Changed Time??

This morning my alarm went off at the right time BUT my phone changed time?? - alarms bc

My clock says 6 cell phones and watches my house ", 7 said I was late for work bc my alarm clock rang at the right time, but it really was 7th It's like my cell phone clock thought it was summer! WHOA! If someone else is going on?