ໂຫຣາສາດ ຍາມມະຫາໄຊ ໝາຍເຖິງ ຍາມແຫ່ງໄຊຊະນະຫຼືຍາມແຫ່ງຄວາມເປັນສິຣິມຸງຄຸນອັນໃຫຍ່ ເໝາະແກ່ການປະກອບການງານທີ່ມີຜົນອັນໃຫຍ່ ເຊັ່ນ ການອອກເສິກ ເປັນຕົ້ນ. ຖ້າອອກເສິກບໍ່ຖືກວັນ ບໍ່ຖືກຢາມ ກໍ່ອາດຈະມີຜົນເຮັດໃຫ້ແພ້ສົງຄາມແລະໄດ້ຮັບຄວາມເສຍຫາຍໃຫຍ່ຫຼວງ. ເນື້ອໃນໄດ້ຍົກຕົວຢ່າງຂອງທ້າວພະຍາທັງຫຼາຍທີ່ອອກເສິກບໍ່ຖືກຍາມ ກໍ່ໄດ້ຮັບຄວາມພ່າຍແພ້ ທັງບ້ານເມືອງກໍ່ເກີດຄວາມເສຍຫາຍຕາມມາ ຕົວຢ່າງ ມີພະຍາຕົນໜຶ່ງຊື່ວ່າ ສັບປະຕິປິດຈະຂັດຕິຍະ ໄປຍຸດທະກໍາ (ອອກເສິກ) ວັນ ໒ ຍາມ ໑ ໄດ້ຮັບຄວາມພ່າຍແພ້ແກ່ຂ້າເສິກ ເມຍກໍ່ຕາຍ ພາຍຫຼັງມາໄຟກໍ່ໄໝ້ ນ້ຳກໍ່ຖ້ວມເມືອງ. ໜັງສືນີ້ຍັງໄດ້ໃຫ້ຄໍາແນະນໍາວິທີການຫາເລີກຍາມມະຫາໄຊ.
Astrology on Nyam maha sai refers to the watch of the great victory or great auspiciousness which is suitable for making a great business such as making war. If the making of the war on the wrong day and watch might be resulted with the lost of war and great disasters. The content tells examples of many kings who started the wars on the day and watch. They lost the wars and their families and cities were disastered. Example, a king named Sappatipitchakhattiya made the war on the second day (Monday) at the first watch he lost the war. Later, his wife was killed; his city was burned and flooded. The text also gives advice on how to find the good watch for the great victory.
Extent: 1 palm-leaf manuscript containing 16 leaves.
Size and dimensions of original material: Hight 5.3 cm, width 55.5 cm, depth 0.6 cm.
Condition of original material: Good.
Author(s)/Creator(s): Unidentified.
Scribe(s): Unidentified.
Original institution reference: Manuscript Box no. 18.
