Yamanote line, 1am-5am
'Inner circle' (counter-clockwise, from Shinjuku toward Shinagawa, from Tokyo toward Ueno): departures every 15 minutes
'Outer circle' (clockwise, from Shinjuku toward Ikebukuro, from Tokyo toward Shinagawa): departures every 15 minutes
Keihin-Tohoku, Negishi lines, 1am-4am
Omiya-Sakuragicho: departures every 20-50 minutes
Chuo line (rapid), 12.30am-4.30am
Mitaka-Takao: departures every 30-60 minutes
Chuo-Sobu line, 12.30am-5am
Mitaka-Chiba: departures every 10-80 minutes
Departing Tachikawa: 2am, 3.15am
Departing Mitake: 2.54am, 4.08am
Note that trains don't stop at Miyanohira, Hinatawada, Ishigamimae, Futamatao, Ikusabata and Sawai stations.
Yokosuka line, 1am-5am
Yokohama-Zushi: departures every 80 minutes
Sobu Main line, Narita line
Departing Chiba: 1.15am, 2.50am
Departing Narita: 1.55am, 3.33am
Note that trains don't stop at Higashi-Chiba Station.
Compared to previous years, note that there are no late-night services on Saikyo, Takasaki, Utsunomiya and Shonan-Shinjuku lines.