A scheduled responsibility or task that occurs late in the evening or night.

रात की ड्यूटी

English Usage: She had late duty at the hospital, where she needed to monitor the patients through the night.

Hindi Usage: उसे अस्पताल में रात की ड्यूटी करनी थी, जहाँ उसे रात भर मरीजों की देखभाल करनी थी.