Yangman - History - date group set to the actual date -1 day

When time zone is set to "your actual time zone minus anything", the executed requests are saved to date group "actual day minus 1" in History.
1. Your current location and time zone is UTC+1 Bratislava, date is dd.mm.yyyy
2. Change your time zone to UTC-something, but let the date be the same, i.e. dd.mm.yyyy.
3. Run request,
4. Navigate to History.
Buggy beh: The date group of the requets is actual date minus 1 day, i.e. (dd-01).mm.2017