It's the end of season 28. There's a lot happening in the two weeks of pre-season, most notably the World Cup.

Preaseason schedule:

Club rename open: 15.01.
World cup group stage: 15.01, 16.01, 17.01.
1/4 finals: 19.01.
1/2 finals: 21.01.
Season turnover / Club rename close: 22.01.
World Cup final: 23.01.

First round of the 29 season: 25.01.