【Skill 5】To enter 何時までだっけ, type < nannjimadedakke > on your keyboard
The spelling to enter 何時までだっけ is as follows.
■ nannjimadedakke
Start typing in Japanese input mode and select 何時 when it appears as a conversion candidate. Next, start typing from < ma > and select までだっけ when it appears as a conversion candidate.