1930s ke ngwagasome tšhupamabakeng ya Gregorian wa go thoma ka 1 Pherekgong 1930 ya fela ka 31 Manthole 1939. Ngwagasome 1930s o wela ngwagengkgolo wa 20.
| Ngwagakete: | Ngwagakete 2 |
| Mengwagakgolo: | Ngwagakgolo 19 – Ngwagakgolo 20 – Ngwagakgolo 21 |
| Mengwagasome: | 1900s 1910s 1920s – 1930s – 1940s 1950s 1960s |
| Mengwaga: | 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 |
| 1930s-tšago tswalanya: |