calculation of time period
2020-09-09T16:12:21.6330000Z
https://www.termdat.bk.admin.ch/entry/106529
Obligationenrecht, Art. 132 Abs. 2 (SR 220, Stand 2020-04)
SACC, Swiss Code of obligations (transl.), 1990, art. 132
Code des obligations, art. 132 tit. marg. (RS 220, état 2020-04)
Codice delle obbligazioni, art. 132 (RS 220, stato 2020-04)