Confused

Renee
I was due for my cycle on the 27th of this month, still no show ๐Ÿ™Œ๐Ÿผ๐Ÿ™Œ๐Ÿผ๐Ÿ™Œ๐Ÿผ but glow switch my day from the 28th to the 1st of December does glow usually do this?