| Created |
| Associated with 地球語 |
| Associated with EL |
| Associated with Earth Language |
| Associated with EL calendar |
| Associated with EL era |
| Associated with EL time standard |
| Associated with 地球民紀元 |
| Associated with Universal Era |
| Associated with 地球民紀元元年 |
| Associated with 地球語の暦 |
| Associated with 地球民暦 |
| Associated with Earth People's era |
| Associated with the Earth People's era |
| Associated with Universal Era in EL |
| Disassociated from Universal Era |
| Associated with 地球語の日時 |
| Associated with EL ASCII |