27 May 1905 (JST)
04:45 The Shinano Maru (Japan) locates the Russian Baltic Fleet and sends a wireless signal.

05:05 The Japanese Combined Fleet leaves port and sends a wireless signal to Imperial Headquarters: "Today's weather is fine but waves are high. (
Japanese: 本日天気晴朗なれども波高し)".

13:39 The Japanese Combined Fleet gains visual contact with the Russian Baltic Fleet, and sends up the battle flag.

13:55 Distance (Range): 12,000 meters.
The Mikasa sends up 'Z' flag. (
Z flag's meaning: The Empire's fate depends on the result of this battle, let every man do his utmost duty.).

14:05 Distance (Range): 8,000 meters.
The Japanese Combined Fleet turns their helm aport (i.e. starts a U-turn).

14:07 Distance (Range): 7,000 meters.
The Mikasa completes her turn.
The Russian Baltic Fleet opens fire with their main batteries.

14:10 Distance (Range): 6,400 meters.
All Japanese warships complete their turns.

14:12 Distance (Range): 5,500 meters.
The Mikasa receives her first hit from the Russian guns.

14:16 Distance (Range): 4,600 meters.
The Japanese Combined Fleet begins concentrating their return fire on the Russian flagship, the Knyaz Suvorov.

14:43 The Oslyabya and Knyaz Suvorov are set on fire and fall away from the battle line.

14:50 The Imperator Aleksandr III starts turning to the north and attempts to leave the battle line.

15:10 The Oslyabya sinks, and the Knyaz Suvorov attempts to withdraw.

18:00 The two fleets counterattack each other (distance (range): 6,300 m), and begin exchanging main battery fire again.

19:03 The Imperator Aleksandr III sinks.

19:20 The Knyaz Suvorov and Borodino sink.

28 May 1905 (JST)
09:30 The Japanese Combined Fleet locates the Russian Baltic Fleet again.

10:34 Admiral Nebogatov signals "XGE", which is "I surrender" in the International Code of Signals used at the time.

10:53 Admiral Tōgō accepts the surrender.
27 May 1905 (JST)
04:45 The Shinano Maru (Japan) locates the Russian Baltic Fleet and sends a wireless signal.
05:05 The Japanese Combined Fleet leaves port and sends a wireless signal to Imperial Headquarters: "Today's weather is fine but waves are high. (Japanese: 本日天気晴朗なれども波高し)".
13:39 The Japanese Combined Fleet gains visual contact with the Russian Baltic Fleet, and sends up the battle flag.
13:55 Distance (Range): 12,000 meters. The Mikasa sends up 'Z' flag. (Z flag's meaning: The Empire's fate depends on the result of this battle, let every man do his utmost duty.).
14:05 Distance (Range): 8,000 meters. The Japanese Combined Fleet turns their helm aport (i.e. starts a U-turn).
14:07 Distance (Range): 7,000 meters. The Mikasa completes her turn. The Russian Baltic Fleet opens fire with their main batteries.
14:10 Distance (Range): 6,400 meters. All Japanese warships complete their turns.
14:12 Distance (Range): 5,500 meters. The Mikasa receives her first hit from the Russian guns.
14:16 Distance (Range): 4,600 meters. The Japanese Combined Fleet begins concentrating their return fire on the Russian flagship, the Knyaz Suvorov.
14:43 The Oslyabya and Knyaz Suvorov are set on fire and fall away from the battle line.
14:50 The Imperator Aleksandr III starts turning to the north and attempts to leave the battle line.
15:10 The Oslyabya sinks, and the Knyaz Suvorov attempts to withdraw.
18:00 The two fleets counterattack each other (distance (range): 6,300 m), and begin exchanging main battery fire again.
19:03 The Imperator Aleksandr III sinks.
19:20 The Knyaz Suvorov and Borodino sink.
28 May 1905 (JST)
09:30 The Japanese Combined Fleet locates the Russian Baltic Fleet again.
10:34 Admiral Nebogatov signals "XGE", which is "I surrender" in the International Code of Signals used at the time.
10:53 Admiral Tōgō accepts the surrender.
Battle of Tsushima