[Closed] Win phone tech support pls - google calendar issues

I have tried a reboot, and checked time zones etc so thought I'd consult the IT manager massive in the hope of a solution.

I've setup gmail calendar on a nokia 520. It appears ok, and I can see appointments. Appointments added on my desktop or ipad appear in the phone at the correct time. However, when I add an appointment on the phone, it appears ok then after 15 secs (ie once it has synced with google), it jumps back 2 hours earlier.

So an appointment for 14:00 goes in ok until it syncs with google. After syncing it will then show as 12:00.

Google timezone is London gmt. Phone is London Utc or auto.

I can't fudge it with time zones on the phone or it then appears at the wrong time on other devices. Any ideas or do I give up on google?