Tahun 1981 Masehi dimulai pada Kamis, 1 Januari 1981, dengan jumlah 365 hari dan bukan merupakan tahun kabisat. Awal tahun 1981 Masehi bertepatan dengan 24 Shofar 1401 Hijriyah dan 24 Sapar 1913 Jawa (tahun Wawu, windu Kuntara). Sepanjang tahun 1981 Masehi terdapat 15 hari libur nasional, antara lain:
Akhir tahun 1981 Masehi bertepatan dengan 4 Robi'ul Awwal 1402 Hijriyah dan 4 Mulud 1914 Jawa (tahun Jimakir, windu Kuntara).
September 1981 |
| 2 Dzulqo'dah 1401 - 1 Dzulhijjah 1401 |
| 2 Sela 1913 - 1 Besar 1913 |
| Ahad A | Senin S | Selasa S | Rabu R | Kamis K | Jumat J | Sabtu S |
|---|---|---|---|---|---|---|
| 29 30 29 Pon | 1 31 1 Wage | 2 1 2 Kliwon | 3 2 3 Legi | 4 3 4 Pahing | 5 4 5 Pon | 6 5 6 Wage |
| 7 6 7 Kliwon | 8 7 8 Legi | 9 8 9 Pahing | 10 9 10 Pon | 11 10 11 Wage | 12 11 12 Kliwon | 13 12 13 Legi |
| 14 13 14 Pahing | 15 14 15 Pon | 16 15 16 Wage | 17 16 17 Kliwon | 18 17 18 Legi | 19 18 19 Pahing | 20 19 20 Pon |
| 21 20 21 Wage | 22 21 22 Kliwon | 23 22 23 Legi | 24 23 24 Pahing | 25 24 25 Pon | 26 25 26 Wage | 27 26 27 Kliwon |
| 28 27 28 Legi | 29 28 29 Pahing | 30 29 30 Pon | 1 30 1 Wage | 2 1 2 Kliwon | 3 2 3 Legi | 4 3 4 Pahing |
Awal bulan September 1981 bertepatan dengan 2 Dzulqo'dah 1401 Hijriyah dan 2 Sela 1913 Jawa. Sedangkan akhir bulan September 1981 bertepatan dengan 1 Dzulhijjah 1401 Hijriyah dan 1 Besar 1913 Jawa.
Berikut ini konversi kalender Masehi bulan September 1981 ke kalender Hijriyah dan kalender Jawa untuk setiap tanggal.
| Masehi | Hijriyah | Jawa | Hari | Pasaran | Wuku |
|---|---|---|---|---|---|
| 1 September 1981 | 2 Dzulqo'dah 1401 | 2 Sela 1913 | Selasa | Kliwon | Mandasiya |
| 2 September 1981 | 3 Dzulqo'dah 1401 | 3 Sela 1913 | Rabu | Legi | Mandasiya |
| 3 September 1981 | 4 Dzulqo'dah 1401 | 4 Sela 1913 | Kamis | Pahing | Mandasiya |
| 4 September 1981 | 5 Dzulqo'dah 1401 | 5 Sela 1913 | Jumat | Pon | Mandasiya |
| 5 September 1981 | 6 Dzulqo'dah 1401 | 6 Sela 1913 | Sabtu | Wage | Mandasiya |
| 6 September 1981 | 7 Dzulqo'dah 1401 | 7 Sela 1913 | Ahad | Kliwon | Julungpujut |
| 7 September 1981 | 8 Dzulqo'dah 1401 | 8 Sela 1913 | Senin | Legi | Julungpujut |
| 8 September 1981 | 9 Dzulqo'dah 1401 | 9 Sela 1913 | Selasa | Pahing | Julungpujut |
| 9 September 1981 | 10 Dzulqo'dah 1401 | 10 Sela 1913 | Rabu | Pon | Julungpujut |
| 10 September 1981 | 11 Dzulqo'dah 1401 | 11 Sela 1913 | Kamis | Wage | Julungpujut |
| 11 September 1981 | 12 Dzulqo'dah 1401 | 12 Sela 1913 | Jumat | Kliwon | Julungpujut |
| 12 September 1981 | 13 Dzulqo'dah 1401 | 13 Sela 1913 | Sabtu | Legi | Julungpujut |
| 13 September 1981 | 14 Dzulqo'dah 1401 | 14 Sela 1913 | Ahad | Pahing | Pahang |
| 14 September 1981 | 15 Dzulqo'dah 1401 | 15 Sela 1913 | Senin | Pon | Pahang |
| 15 September 1981 | 16 Dzulqo'dah 1401 | 16 Sela 1913 | Selasa | Wage | Pahang |
| 16 September 1981 | 17 Dzulqo'dah 1401 | 17 Sela 1913 | Rabu | Kliwon | Pahang |
| 17 September 1981 | 18 Dzulqo'dah 1401 | 18 Sela 1913 | Kamis | Legi | Pahang |
| 18 September 1981 | 19 Dzulqo'dah 1401 | 19 Sela 1913 | Jumat | Pahing | Pahang |
| 19 September 1981 | 20 Dzulqo'dah 1401 | 20 Sela 1913 | Sabtu | Pon | Pahang |
| 20 September 1981 | 21 Dzulqo'dah 1401 | 21 Sela 1913 | Ahad | Wage | Kuruwelut |
| 21 September 1981 | 22 Dzulqo'dah 1401 | 22 Sela 1913 | Senin | Kliwon | Kuruwelut |
| 22 September 1981 | 23 Dzulqo'dah 1401 | 23 Sela 1913 | Selasa | Legi | Kuruwelut |
| 23 September 1981 | 24 Dzulqo'dah 1401 | 24 Sela 1913 | Rabu | Pahing | Kuruwelut |
| 24 September 1981 | 25 Dzulqo'dah 1401 | 25 Sela 1913 | Kamis | Pon | Kuruwelut |
| 25 September 1981 | 26 Dzulqo'dah 1401 | 26 Sela 1913 | Jumat | Wage | Kuruwelut |
| 26 September 1981 | 27 Dzulqo'dah 1401 | 27 Sela 1913 | Sabtu | Kliwon | Kuruwelut |
| 27 September 1981 | 28 Dzulqo'dah 1401 | 28 Sela 1913 | Ahad | Legi | Marakeh |
| 28 September 1981 | 29 Dzulqo'dah 1401 | 29 Sela 1913 | Senin | Pahing | Marakeh |
| 29 September 1981 | 30 Dzulqo'dah 1401 | 30 Sela 1913 | Selasa | Pon | Marakeh |
| 30 September 1981 | 1 Dzulhijjah 1401 | 1 Besar 1913 | Rabu | Wage | Marakeh |