Ramayana
तस्य दीक्षा समाप्ता हि ब्रह्मर्षेः सुमहाद्युतेः । द्वादशं हि गतं वर्षं जलशय्यां समासतः ॥ 7-76-17 ॥
For the consecrated vow of that Brahmana-sage of vast splendor is now completed; the twelfth year has passed while he lay reposing upon the waters.
english translation