620s
620s ke ngwagasome tšhupamabakeng ya Gregorian wa go thoma ka 1 Pherekgong 620 ya fela ka 31 Manthole 629. Ngwagasome 620s o wela ngwagengkgolo wa 7.
| Ngwagakete: | Ngwagakete 1 |
| Mengwagakgolo: | Ngwagakgolo 6 – Ngwagakgolo 7 – Ngwagakgolo 8 |
| Mengwagasome: | 590s 600s 610s – 620s – 630s 640s 650s |
| Mengwaga: | 620 621 622 623 624 625 626 627 628 629 |
| 620s-tšago tswalanya: |