तं चेदभ्युदियात् सूर्यः शयानं कामचारतः । निम्लोचेद् वाऽप्यविज्ञानाज् जपन्नुपवसेद् दिनम् ॥ २२० ॥
If the sun should rise or set while he is sleeping, be it (that he offended) intentionally or unintentionally, he shall fast during the (next) day, muttering (the Savitri).
english translation