| February 9 | Armenian | Other calendars Armenian 24 Mehekani 1475 Aztec Etzalcualiztli 10, 5 Tecpatl Babylonian 20 Tebetu, 2336 SE Balinese pawukon Luang, Pepet, Kajeng, Laba, Paing, Maulu, Coma of Men… | 1.00 | infobox |
| February 9 | Armenian | 24 Mehekani 1475 | 1.00 | infobox |
| February 9 | Aztec | Etzalcualiztli 10, 5 Tecpatl | 1.00 | infobox |
| February 9 | Babylonian | 20 Tebetu, 2336 SE | 1.00 | infobox |
| February 9 | Balinese pawukon | Luang, Pepet, Kajeng, Laba, Paing, Maulu, Coma of Menail, Indra, Dadi, Duka | 1.00 | infobox |
| February 9 | Bengali | 26 Magh, BS 1432 | 1.00 | infobox |
| February 9 | Chinese | Yang Wood Tiger・Heart Mansion 22 Làyuè, Yǐsìnián (Lichun, 9 days until Yushui) | 1.00 | infobox |
| February 9 | Common Era | 9 February 2026 CE | 1.00 | infobox |
| February 9 | Coptic | 2 Meshir, AM 1742 | 1.00 | infobox |
| February 9 | Egyptian | 29 Payni, 2774 NE | 1.00 | infobox |
| February 9 | Ethiopian | 2 Yakātit, 2018 Amätä Məhrät | 1.00 | infobox |
| February 9 | French Republican | Décade III, Primidi de Pluviôse de l'Année 234 de la République | 1.00 | infobox |
| February 9 | Gregorian | 9 February, AD 2026 | 1.00 | infobox |
| February 9 | Hebrew | 22 Shevat, AM 5786 | 1.00 | infobox |
| February 9 | Hindu | 5126 KY・1,872,615・Siddhārthin Solar: 27 Māgha, 1947 SE Lunisolar: Aṣṭamī, Kṛishna pakṣa of Māgha, 2082 VE | 1.00 | infobox |
| February 9 | Icelandic | Mánudagur, 18 Þorri 2025 | 1.00 | infobox |
| February 9 | Islamic | 21 Sha'aban, AH 1447 (using tabular method) | 1.00 | infobox |
| February 9 | ISO week date | 2026-W07-1 | 1.00 | infobox |
| February 9 | Japanese | 22 Shiwasu, Reiwa 8 (Risshun, 10 days until Usui) | 1.00 | infobox |
| February 9 | Julian | 27 January, AD 2026 (AM 7534) | 1.00 | infobox |
| February 9 | Julian day | 2461081 | 1.00 | infobox |
| February 9 | Maya | 13.0.13.5.18 16 Pax, 5 Etznab | 1.00 | infobox |
| February 9 | Roman | ante diem VI Kalendas Februarias, MMDCCLXXIX AUC | 1.00 | infobox |
| February 9 | Solar Hijri | 20 Bahman, SH 1404 | 1.00 | infobox |
| February 9 | is a | 40th day of the year in the Gregorian calendar | 0.90 | text |
