time zone

to lock (a door, etc.) / (Internet slang) (of a SNS account) to change privacy setting to limited people and posts and/or profiles can be seen by limited people.

to be concerned about, to worry about / to weigh on one's mind

half-hour (a period of time equal to thirty minutes, half an hour)

time limit; maximum time allowed

pivot word (a form of punning in traditional Japanese poetry)

summer time (daylight-saving time)

(more emphatic) Alternative form of かける (kakeru, “to pour onto, to shake onto, to splash, to drip”): to pour/shake/splash vigorously

掛け算: (arithmetic) multiplication

calling out to someone