According to press reports, Anita Mui passed away on Tuesday, December 30, 2003 in Hong Kong at 02:50 a.m. local time. The difference in reporting dates (29th vs. the 30th) is due to the 13-16 hour time difference between Asia and the U.S.
Hong Kong Time is 13-16 hours ahead of the U.S., so Anita's death in the early hours of the 30th, which was a Tuesday, was reported in the West in the morning and afternoon of December 29th, which was a Monday.
For the benefit of all her fans in the U.S., Anita's death in Hong Kong on Tues, Dec. 30th at 02:50 local time converts to the following date and times in U.S. zones:
Hong Kong: 02:50 a.m. Tue. Dec. 30 2003 HKT
Los Angeles: 10:50 a.m. Mon. Dec. 29 2003 PST
Chicago: 12:50 p.m. Mon. Dec. 29 2003 CST
New York: 13:50 p.m. Mon. Dec. 29 2003 EST

Sadly, Anita Mui lost her battle with Cancer on December 29, 2003she will be sadly missed by all.