HTC Calendar Glitch?

[parousia15]

I just noticed something I think is odd with the calendar. If I want to make an appointment on a certain date, say July 4th, I click on the that date and then the + sign. But instead of pulling up the appointment fill out sheet for the 4th, it pulls of the 5th instead. It always pulls up the next day to the day I actually want.

I don't know if this has always been the case. However, I justice noticed it.

Anyone else notice? Is there an option I need to change? It's kind of annoying.

UPDATE: Now it has reverted back to normal. I have no idea why. I didn't do anything.