12th January

The 12th January is a date of catastrophic significance in the story, representing the moment when Henry Jekyll's carefully maintained separation between his two identities collapses beyond repair. It is on this day that Jekyll, while enjoying a peaceful afternoon in Regent's Park, suddenly and involuntarily transforms into Edward Hyde without the aid of the transformative drug, an event that marks the beginning of the end for both personalities.

The Involuntary Transformation in Regent's Park

On a fine, clear January day, with the frost melted underfoot but the sky cloudless overhead, Jekyll sat on a bench in Regent's Park, enjoying the winter chirrupings and spring odours. He was in a state of complacent self-regard, reflecting that he was like his neighbours and comparing his active good-will with what he saw as the lazy cruelty of their neglect. At the very moment of this vainglorious thought, a qualm came over him—a horrid nausea and the most deadly shuddering. These passed, leaving him faint, and as the faintness subsided, he became aware of a change in the temper of his thoughts: a greater boldness, a contempt of danger, a solution of the bonds of obligation. Looking down, he saw his clothes hanging formlessly on his shrunken limbs; the hand that lay on his knee was corded and hairy. He was once more Edward Hyde. A moment before, he had been safe of all men's respect, wealthy, beloved, with the cloth laying for him in the dining-room at home; now he was the common quarry of mankind, hunted, houseless, a known murderer, thrall to the gallows.

The Immediate Aftermath and the Struggle for Survival

Hyde's reason did not fail him utterly; in his second character, his faculties seemed sharpened to a point and his spirits more tensely elastic. Where Jekyll might have succumbed, Hyde rose to the importance of the moment. His drugs were in one of the presses of his cabinet, but the laboratory door was closed, and if he sought to enter by the house, his own servants would consign him to the gallows. He realized he must employ another hand and thought of Dr. Hastie Lanyon. Remembering that one part of his original character remained—he could write in his own hand—Hyde arranged his clothes as best he could, summoned a passing hansom, and drove to an hotel in Portland Street. There, with a black countenance that made the attendants tremble, he composed two important letters, one to Lanyon and one to Poole, and sent them out with directions that they should be registered. He sat all day over the fire in the private room, gnawing his nails, dining alone with his fears, the waiter visibly quailing before his eye. When night came, he set forth in the corner of a closed cab, driven to and fro about the streets of the city, until at last, thinking the driver had begun to grow suspicious, he discharged the cab and ventured on foot, attired in his misfitting clothes, an object marked out for observation. He walked fast, hunted by his fears, chattering to himself, skulking through the less frequented thoroughfares, counting the minutes that still divided him from midnight. Once a woman spoke to him, offering a box of lights; he smote her in the face, and she fled.

The Significance of the Date in Jekyll's Narrative

The 12th January is the date on which Jekyll's involuntary transformation occurs, an event that he describes in his full statement of the case. It is the culmination of a process that had been building since the murder of Sir Danvers Carew, when Jekyll had resolved to redeem the past and had led a life of severity for two months. But as the first edge of his penitence wore off, the lower side of him began to growl for licence, and it was in his own person that he was once more tempted to trifle with his conscience. This brief condescension to his evil finally destroyed the balance of his soul. The transformation in Regent's Park was not the result of taking the drug; it was a spontaneous, involuntary change that demonstrated the growing power of Hyde over Jekyll. From that day forth, it seemed only by a great effort and under the immediate stimulation of the drug that Jekyll was able to wear his own countenance. At all hours of the day and night, he would be taken with the premonitory shudder; above all, if he slept or even dozed for a moment in his chair, it was always as Hyde that he awakened. The 12th January thus marks the point of no return, after which Jekyll's existence becomes a desperate struggle against the ever-encroaching Hyde, a struggle that ultimately ends in Hyde's suicide and Jekyll's final disappearance.