| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 27 Jan | Monday | Muhammad's Ascension to Heaven | Not public | |
| 27 Jan | Monday | National Heroes' Day | Cayman Islands | Public |
| 27 Jan | Monday | Saint Devota's Day | Monaco | Public |
| 27 Jan | Monday | Saint Sava Day | Not public | |
| 27 Jan | Monday | Public Employment Services Workers' Day | Poland | Not public |
| 27 Jan | Monday | National Dairy Day | Thailand | Not public |
| 27 Jan | Monday | World Tourism Day | global | Other |