Days of the week

The seven days of the week are an important aspect in the Pokémon world. Certain in-game events are triggered only on certain days of the week. Certain NPC characters in will make an appearance on certain days throughout the in-game week. Generation II, Generation IV, Generation V, Generation VI, and Generation VII handheld games incorporate the in-game clock.

Gold, Silver, and Crystal
While many events take place depending on the day of the week, there are some events that always take place, but change slightly depending on the day: Below are all the events that depend on the day of the week.
 * The Pokémon Music Channel broadcasts either the Pokémon March or the Pokémon Lullaby
 * The corresponding Week Sibling will give away an item when spoken to for the first time.

Diamond and Pearl
In Pokémon Diamond and Pearl, every day, a different Trainer will battle the player in the lobby of Jubilife TV and Julia will give the player a different Ribbon.

Platinum
Many Pokémon Centers have s that will battle the player. They cycle through the days of the week and are specific to their location. There are eight Trainers (four alone and two pairs) that will battle the player in a Pokémon Center. These Trainers will be in six Pokémon Centers (one or two Trainers in each Pokémon Center). The six Pokémon Centers in which they appear will change depending on the day of the week.

Also, Julia will give the player a different Ribbon each day of the week.

HeartGold and SoulSilver
In Pokémon HeartGold and SoulSilver, several events will take place depending on the day of the week. While some of them may only take place in specific days, the following ones will happen every day, but will change slightly depending on the day: Below are all the events that depend on the day of the week.
 * The Pokémon Music Channel will broadcast a different music
 * The corresponding Week Sibling will give the player an item or a Ribbon
 * Certain Trainers may be called for a rematch
 * may take a picture of the player and their party in specific locations (some of them along with an NPC).

Rematches
Trainers registered in the Pokégear may be called during certain times to fight a rematch. Gym Leaders will meet the player at the Fighting Dojo, while other Trainers can be found in the same place they were first encountered (their registered location).

Rematches
Trainers registered in the Pokégear may be called during certain times to fight a rematch. Gym Leaders will meet the player at the Fighting Dojo, while other Trainers can be found in the same place they were first encountered (their registered location).

Rematches
Trainers registered in the Pokégear may be called during certain times to fight a rematch. Gym Leaders will meet the player at the Fighting Dojo, while other Trainers can be found in the same place they were first encountered (their registered location).

Rematches
Trainers registered in the Pokégear may be called during certain times to fight a rematch. Gym Leaders will meet the player at the Fighting Dojo, while other Trainers can be found in the same place they were first encountered (their registered location).

Rematches
Trainers registered in the Pokégear may be called during certain times to fight a rematch. Gym Leaders will meet the player at the Fighting Dojo, while other Trainers can be found in the same place they were first encountered (their registered location).

Rematches
Trainers registered in the Pokégear may be called during certain times to fight a rematch. Gym Leaders will meet the player at the Fighting Dojo, while other Trainers can be found in the same place they were first encountered (their registered location).

Rematches
Trainers registered in the Pokégear may be called during certain times to fight a rematch. Gym Leaders will meet the player at the Fighting Dojo, while other Trainers can be found in the same place they were first encountered (their registered location).

X and Y
The clothing available at boutiques changes depending on the day of the week. Also, a female tourist will be in a certain hotel and will give the player a different Ribbon every day.

Saturday
Pokémon Gold, Silber und Kristall/Tages-Events Días de la semana Jours de la semaine Giorni della settimana 曜日 星期