| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century BC – 1st century – 2nt century |
| Decades: | 20s BC 10s BC 0s BC – 0s – 10s 20s 30s |
| Years: | 3 BC 2 BC 1 BC – 1 AD – 2 AD 3 AD 4 AD |
Year 1 (I) wis a common year stairtin on Setturday or Sunday o the Julian calendar (the soorces differ) an a common year stairtin on Setturday o the Proleptic Julian calendar. It is a Common year stairtin on Monday, in the Proleptic Gregorian calendar seestem.