4:00a.m.
Sydney is (Greenwich Mean Time) GMT +10 hours, ie. 10 hours ahead of Greenwich, England. California is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Los Angeles is 18 hours behind Sydney. (Daylight savings not taken into account.)
12:00 Noon in Maryland (ET) = 9:00 AM on the same date in Los Angeles (PT).
US Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Austria is (Greenwich Mean Time) GMT +1 hour, ie. 1 hour ahead of Greenwich, England. Los Angeles is 9 hours behind Austria. (Daylight savings not taken into account.)
When it's 8 pm in London it's noon in Los Angeles.
If it is noon in Los Angeles, it is 3:00 PM in New York. Los Angeles is on Pacific Time and New York is on Eastern Time. In the United States, it is Daylight Saving Time from the second Sunday in March and the first Sunday in November, and Standard Time the rest of the time.
England (London) is at (Greenwich Mean Time) GMT. US Pacific Time is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Los Angeles is 8 hours behind GMT. (Daylight savings not taken into account.)
12 noon Central Standard Time (CST) is 10 a.m. in Los Angeles, which operates on Pacific Standard Time (PST). CST is two hours ahead of PST. Therefore, when it is noon in the Central Time Zone, it is still morning in the Pacific Time Zone.
Xi'an, China, is closer to Greenwich, England, than Los Angeles, California. The approximate distance from Greenwich to Xi'an is about 5,000 miles, while the distance to Los Angeles is roughly 5,400 miles. Thus, Xi'an is the closer of the two cities to Greenwich.
Los Angles time is three hours behind New York City, so noon in New York City is 9:00 AM in Los Angeles. Los Angeles is on Pacific Time and New York City is on Eastern Time. In the United States, it is Daylight Saving Time from the second Sunday in March and the first Sunday in November, and Standard Time the rest of the time.
If it is noon in Boston, it would be 9am in Los Angeles. Los Angeles is in the Pacific Time Zone, which is 3 hours behind the Eastern Time Zone where Boston is located.
11 pm on the same day. Los Angeles is on Pacific Time which is 8 hours behind London which is on Greenwich Mean Time (in the winter anyway)
Los Angeles, California is UTC/GMT-8. From the second Sunday in March until the first Sunday in November, Los Angeles observes daylight savings and moves into UTC/GMT-7. While in daylight savings, Los Angeles is seven hours behind GMT. Outside of daylight savings, it is eight hours behind.