The time difference between London (UK) and Los Angeles (USA) is 8 hours.
Standard Time (Nov–Mar): When it's 12:00 noon in London, it's 4:00 AM in Los Angeles (8-hour gap).
Daylight Saving (Mar–Oct/Nov): Both observe DST, but transition dates differ slightly. The gap is usually 8 hours for most of the year, briefly 7 or 9 hours during transition weeks.
Always verify current offsets for exact planning.