For a while now texts sent at say 10am received at 10am but show time as 11am.
PS website is a mess.
Maybe your phone time/daylight saving settings are incorrect?
What make and model of phone are you using?
Just did a test using this site and the received time was consistent with the sending time:
Maybe you need to contact 48 support.
See the link in my signature below or email them at firstname.lastname@example.org