Installation date and completion date differ

[#1]

Hi
As stated in title, my installation date (28th Aug) and completion date 29th after 12pm differ.  Is this something I should be concerned about? or is it just the time my online account information will sync?
Thanks
Regards
Jonno
Fibre/phone package ordered

[#2]

Hi Jonno,
I'll give you a call shortly. Sorry for any confusion caused.

[#3]

Thanks for the call Linn great stuff