Tojeong-bigyeol is one of Korea's representative seasonal fortunes, read to divine the luck of the coming year. It maps your birth date by a set method into three numbers—an upper, middle, and lower trigram—then uses them to settle on one of 144 verses, and through that verse's poetic reading gauges the fortunes of the year and each month. The readings are written in suggestive, metaphorical lines such as "a noble guest comes from the east" or "beware of water," meant to be savored against your own circumstances rather than read literally.
Its name is said to come from Yi Ji-ham (1517–1578), a mid-Joseon scholar known by the pen name Tojeong. He earned that name by living in an earthen pavilion—a "tojeong"—he had built by the Mapo riverside in Seoul, and he is remembered as an eccentric who cared for the people's lives over official rank and as a forerunner of practical learning. His character—relieving the poor and versed in astronomy, geography, and the people's livelihood—naturally lent itself to the name of a book that hands ordinary people hope and caution for the year in hard times.
That said, scholars hold various views on whether Yi Ji-ham himself actually composed the Tojeong-bigyeol passed down today; the theory that later people compiled it leaning on his great fame is also strong. What is clear is that by late Joseon a custom of consulting the Tojeong-bigyeol for the new year each first lunar month took firm root among the people, and through the modern era it was loved, alongside the almanac, as the most familiar reading at the year's start.
The secret to its long-loved appeal lies in its warm voice. In a good year it warns against complacency; in a hard year it offers hope, saying "endure and wait, and in the end all will go well." Rather than sternly pronouncing fate, it is closer to a kind guide that soothes you about how to live the year. So people drew strength when a good verse came up, and took a poor verse as wisdom to mind their conduct in advance.
As for its present, Tojeong-bigyeol remains the new-year fortune most fondly enjoyed in Korea around the Lunar New Year. What people once sought from a village elder or a fortune house, they now reach easily through apps and online services that show the reading the instant you enter your birth date. The form has changed, but the endearing custom of quietly picturing the year and steadying the heart at its threshold remains the same as ever.