Awal bulan September 1990 (Masehi) bertepatan dengan tanggal 11 Shofar 1411 (Hijriyah), 10 Sapar 1923 (Jawa), 5s Posya 1926 (Candra), dan 10 Kasalapan 1912 (Surya). Sedangkan akhir bulan September 1990 (Masehi) bertepatan dengan tanggal 10 Rabiul Awwal 1411 (Hijriyah), 10 Mulud 1923 (Jawa), 4s Maga 1926 (Candra), dan 9 Kadasa 1912 (Surya).
| 11 Shofar 1411 | Hijriyah | 10 Rabiul Awwal 1411 | | 10 Sapar 1923 | Jawa | 10 Mulud 1923 | | 5s Posya 1926 | Candra | 4s Maga 1926 | | 10 Kasalapan 1912 | Surya | 9 Kadasa 1912 | |
| Ahad | Senin | Selasa | Rabu | Kamis | Jumat | Sabtu | | | | | | | | | | | | | 8s | 13 | | Pahing | | | | Kliwon | | ١٤ | 13 | | | | | | | 13s | 18 | | Pahing | | | | Kliwon | | ١٩ | 18 | | | | | | | 3k | 23 | | Pahing | | | | Kliwon | | ٢٤ | 23 | | | | | | | | 8k | 28 | | Pahing | | | | Kliwon | | ٢٩ | 28 | | | | | | | | | | | | | | | | | | | 8s | 13 | | Pahing | | | | Kliwon | | ١٤ | 14 | | | | |
| Masehi | Hijriyah |
| Tanggal | Tanggal | Peringatan |
| 1 September 1990 | 11 Shofar 1411 | |
| 2 September 1990 | 12 Shofar 1411 | |
| 3 September 1990 | 13 Shofar 1411 | Puasa Ayyamul Baidl |
| 4 September 1990 | 14 Shofar 1411 | Puasa Ayyamul Baidl |
| 5 September 1990 | 15 Shofar 1411 | Puasa Ayyamul Baidl |
| 6 September 1990 | 16 Shofar 1411 | |
| 7 September 1990 | 17 Shofar 1411 | |
| 8 September 1990 | 18 Shofar 1411 | |
| 9 September 1990 | 19 Shofar 1411 | |
| 10 September 1990 | 20 Shofar 1411 | |
| 11 September 1990 | 21 Shofar 1411 | |
| 12 September 1990 | 22 Shofar 1411 | |
| 13 September 1990 | 23 Shofar 1411 | |
| 14 September 1990 | 24 Shofar 1411 | |
| 15 September 1990 | 25 Shofar 1411 | |
| 16 September 1990 | 26 Shofar 1411 | |
| 17 September 1990 | 27 Shofar 1411 | |
| 18 September 1990 | 28 Shofar 1411 | |
| 19 September 1990 | 29 Shofar 1411 | |
| 20 September 1990 | 30 Shofar 1411 | |
| 21 September 1990 | 1 Rabiul Awwal 1411 | |
| 22 September 1990 | 2 Rabiul Awwal 1411 | |
| 23 September 1990 | 3 Rabiul Awwal 1411 | |
| 24 September 1990 | 4 Rabiul Awwal 1411 | |
| 25 September 1990 | 5 Rabiul Awwal 1411 | |
| 26 September 1990 | 6 Rabiul Awwal 1411 | |
| 27 September 1990 | 7 Rabiul Awwal 1411 | |
| 28 September 1990 | 8 Rabiul Awwal 1411 | |
| 29 September 1990 | 9 Rabiul Awwal 1411 | |
| 30 September 1990 | 10 Rabiul Awwal 1411 | |
| Masehi | Jawa |
| Tanggal | Tanggal | Pasaran | Mongso | Wuku | Tahun | Windu | Lambang | Neptu |
| 1 September 1990 | 10 Sapar 1923 | Pahing | 8 Katelu | Wukir | Alip | Sancaya | Langkir | Sabtu (9) + Pahing (9) = 18 |
| 2 September 1990 | 11 Sapar 1923 | Pon | 9 Katelu | Kurantil | Alip | Sancaya | Langkir | Ahad (5) + Pon (7) = 12 |
| 3 September 1990 | 12 Sapar 1923 | Wage | 10 Katelu | Kurantil | Alip | Sancaya | Langkir | Senin (4) + Wage (4) = 8 |
| 4 September 1990 | 13 Sapar 1923 | Kliwon | 11 Katelu | Kurantil | Alip | Sancaya | Langkir | Selasa (3) + Kliwon (8) = 11 |
| 5 September 1990 | 14 Sapar 1923 | Legi | 12 Katelu | Kurantil | Alip | Sancaya | Langkir | Rabu (7) + Legi (5) = 12 |
| 6 September 1990 | 15 Sapar 1923 | Pahing | 13 Katelu | Kurantil | Alip | Sancaya | Langkir | Kamis (8) + Pahing (9) = 17 |
| 7 September 1990 | 16 Sapar 1923 | Pon | 14 Katelu | Kurantil | Alip | Sancaya | Langkir | Jumat (6) + Pon (7) = 13 |
| 8 September 1990 | 17 Sapar 1923 | Wage | 15 Katelu | Kurantil | Alip | Sancaya | Langkir | Sabtu (9) + Wage (4) = 13 |
| 9 September 1990 | 18 Sapar 1923 | Kliwon | 16 Katelu | Tolu | Alip | Sancaya | Langkir | Ahad (5) + Kliwon (8) = 13 |
| 10 September 1990 | 19 Sapar 1923 | Legi | 17 Katelu | Tolu | Alip | Sancaya | Langkir | Senin (4) + Legi (5) = 9 |
| 11 September 1990 | 20 Sapar 1923 | Pahing | 18 Katelu | Tolu | Alip | Sancaya | Langkir | Selasa (3) + Pahing (9) = 12 |
| 12 September 1990 | 21 Sapar 1923 | Pon | 19 Katelu | Tolu | Alip | Sancaya | Langkir | Rabu (7) + Pon (7) = 14 |
| 13 September 1990 | 22 Sapar 1923 | Wage | 20 Katelu | Tolu | Alip | Sancaya | Langkir | Kamis (8) + Wage (4) = 12 |
| 14 September 1990 | 23 Sapar 1923 | Kliwon | 21 Katelu | Tolu | Alip | Sancaya | Langkir | Jumat (6) + Kliwon (8) = 14 |
| 15 September 1990 | 24 Sapar 1923 | Legi | 22 Katelu | Tolu | Alip | Sancaya | Langkir | Sabtu (9) + Legi (5) = 14 |
| 16 September 1990 | 25 Sapar 1923 | Pahing | 23 Katelu | Gumbrek | Alip | Sancaya | Langkir | Ahad (5) + Pahing (9) = 14 |
| 17 September 1990 | 26 Sapar 1923 | Pon | 24 Katelu | Gumbrek | Alip | Sancaya | Langkir | Senin (4) + Pon (7) = 11 |
| 18 September 1990 | 27 Sapar 1923 | Wage | 1 Kapat | Gumbrek | Alip | Sancaya | Langkir | Selasa (3) + Wage (4) = 7 |
| 19 September 1990 | 28 Sapar 1923 | Kliwon | 2 Kapat | Gumbrek | Alip | Sancaya | Langkir | Rabu (7) + Kliwon (8) = 15 |
| 20 September 1990 | 29 Sapar 1923 | Legi | 3 Kapat | Gumbrek | Alip | Sancaya | Langkir | Kamis (8) + Legi (5) = 13 |
| 21 September 1990 | 1 Mulud 1923 | Pahing | 4 Kapat | Gumbrek | Alip | Sancaya | Langkir | Jumat (6) + Pahing (9) = 15 |
| 22 September 1990 | 2 Mulud 1923 | Pon | 5 Kapat | Gumbrek | Alip | Sancaya | Langkir | Sabtu (9) + Pon (7) = 16 |
| 23 September 1990 | 3 Mulud 1923 | Wage | 6 Kapat | Warigalit | Alip | Sancaya | Langkir | Ahad (5) + Wage (4) = 9 |
| 24 September 1990 | 4 Mulud 1923 | Kliwon | 7 Kapat | Warigalit | Alip | Sancaya | Langkir | Senin (4) + Kliwon (8) = 12 |
| 25 September 1990 | 5 Mulud 1923 | Legi | 8 Kapat | Warigalit | Alip | Sancaya | Langkir | Selasa (3) + Legi (5) = 8 |
| 26 September 1990 | 6 Mulud 1923 | Pahing | 9 Kapat | Warigalit | Alip | Sancaya | Langkir | Rabu (7) + Pahing (9) = 16 |
| 27 September 1990 | 7 Mulud 1923 | Pon | 10 Kapat | Warigalit | Alip | Sancaya | Langkir | Kamis (8) + Pon (7) = 15 |
| 28 September 1990 | 8 Mulud 1923 | Wage | 11 Kapat | Warigalit | Alip | Sancaya | Langkir | Jumat (6) + Wage (4) = 10 |
| 29 September 1990 | 9 Mulud 1923 | Kliwon | 12 Kapat | Warigalit | Alip | Sancaya | Langkir | Sabtu (9) + Kliwon (8) = 17 |
| 30 September 1990 | 10 Mulud 1923 | Legi | 13 Kapat | Warigagung | Alip | Sancaya | Langkir | Ahad (5) + Legi (5) = 10 |
| Masehi | Sunda |
| Tanggal | Candra | Surya | Pasaran | Wuku | Tahun | Windu |
| 1 September 1990 | 5s Posya 1926 | 10 Kasalapan 1912 | Wage | Langkir | Keuyeup | Adi |
| 2 September 1990 | 6s Posya 1926 | 11 Kasalapan 1912 | Kaliwon | Madasiya | Keuyeup | Adi |
| 3 September 1990 | 7s Posya 1926 | 12 Kasalapan 1912 | Manis | Madasiya | Keuyeup | Adi |
| 4 September 1990 | 8s Posya 1926 | 13 Kasalapan 1912 | Pahing | Madasiya | Keuyeup | Adi |
| 5 September 1990 | 9s Posya 1926 | 14 Kasalapan 1912 | Pon | Madasiya | Keuyeup | Adi |
| 6 September 1990 | 10s Posya 1926 | 15 Kasalapan 1912 | Wage | Madasiya | Keuyeup | Adi |
| 7 September 1990 | 11s Posya 1926 | 16 Kasalapan 1912 | Kaliwon | Madasiya | Keuyeup | Adi |
| 8 September 1990 | 12s Posya 1926 | 17 Kasalapan 1912 | Manis | Madasiya | Keuyeup | Adi |
| 9 September 1990 | 13s Posya 1926 | 18 Kasalapan 1912 | Pahing | Julungpujud | Keuyeup | Adi |
| 10 September 1990 | 14s Posya 1926 | 19 Kasalapan 1912 | Pon | Julungpujud | Keuyeup | Adi |
| 11 September 1990 | 15s Posya 1926 | 20 Kasalapan 1912 | Wage | Julungpujud | Keuyeup | Adi |
| 12 September 1990 | 1k Posya 1926 | 21 Kasalapan 1912 | Kaliwon | Julungpujud | Keuyeup | Adi |
| 13 September 1990 | 2k Posya 1926 | 22 Kasalapan 1912 | Manis | Julungpujud | Keuyeup | Adi |
| 14 September 1990 | 3k Posya 1926 | 23 Kasalapan 1912 | Pahing | Julungpujud | Keuyeup | Adi |
| 15 September 1990 | 4k Posya 1926 | 24 Kasalapan 1912 | Pon | Julungpujud | Keuyeup | Adi |
| 16 September 1990 | 5k Posya 1926 | 25 Kasalapan 1912 | Wage | Pahang | Keuyeup | Adi |
| 17 September 1990 | 6k Posya 1926 | 26 Kasalapan 1912 | Kaliwon | Pahang | Keuyeup | Adi |
| 18 September 1990 | 7k Posya 1926 | 27 Kasalapan 1912 | Manis | Pahang | Keuyeup | Adi |
| 19 September 1990 | 8k Posya 1926 | 28 Kasalapan 1912 | Pahing | Pahang | Keuyeup | Adi |
| 20 September 1990 | 9k Posya 1926 | 29 Kasalapan 1912 | Pon | Pahang | Keuyeup | Adi |
| 21 September 1990 | 10k Posya 1926 | 30 Kasalapan 1912 | Wage | Pahang | Keuyeup | Adi |
| 22 September 1990 | 11k Posya 1926 | 1 Kadasa 1912 | Kaliwon | Pahang | Keuyeup | Adi |
| 23 September 1990 | 12k Posya 1926 | 2 Kadasa 1912 | Manis | Kuruwelut | Keuyeup | Adi |
| 24 September 1990 | 13k Posya 1926 | 3 Kadasa 1912 | Pahing | Kuruwelut | Keuyeup | Adi |
| 25 September 1990 | 14k Posya 1926 | 4 Kadasa 1912 | Pon | Kuruwelut | Keuyeup | Adi |
| 26 September 1990 | 15k Posya 1926 | 5 Kadasa 1912 | Wage | Kuruwelut | Keuyeup | Adi |
| 27 September 1990 | 1s Maga 1926 | 6 Kadasa 1912 | Kaliwon | Kuruwelut | Keuyeup | Adi |
| 28 September 1990 | 2s Maga 1926 | 7 Kadasa 1912 | Manis | Kuruwelut | Keuyeup | Adi |
| 29 September 1990 | 3s Maga 1926 | 8 Kadasa 1912 | Pahing | Kuruwelut | Keuyeup | Adi |
| 30 September 1990 | 4s Maga 1926 | 9 Kadasa 1912 | Pon | Marakeh | Keuyeup | Adi |
