Valmiki Ramayana Kishkindha Kanda Sarga 26 Shloka 17
Original Shlokaकार्तिके समनुप्राप्ते त्वं रावणवधे यत। एष नस्समयस्सौम्य प्रविश त्वं स्वमालयम्4.26.17।। अभिषिक्तस्व राज्ये च सुहृदस्सम्प्रहर्षय।
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कार्तिके when Kartika, समनुप्राप्ते sets in, त्वम् you, रावणवधे for the slaying of Ravana, यत you try, सौम्य O good Sugriva, एषः this, नः for us, समयः proper time, त्वम् you, स्वम् your, आलयम् city, प्रविश enter, राज्ये in the kingdom, अभिषिक्तस्व on installing yourself, सुहृदः to your friends, सम्प्रहर्षय cheer them .
'Enter the city and get yourself installed and cheer your friends. Make all arrangement for killing Ravana when the month of Kartika begins as it is the proper time (for the purpose).