TimeZoneGUIHV

[[code format="vbnet"]]
' Time Zone: Extreme Coding Challenge
' entry of Harmon V. -- GUI version
' released as public domain
' LB\timezone2.bas

' The 27 megacities with populations of 10 million or more.
' daylight savings/summer start and stop times from www.dateandtime.com

Rem  #    City, Country            Pop.          ST       DT start & End
Data  1, "Tokyo, Japan",          "33,600,000", "UTC+9", "NONE"  ' 35*41'N x 139*46'E
Data  2, "Seoul, South Korea",    "23,400,000", "UTC+9", "NONE"
Data  3, "Mexico City, Mexico",   "22,400,000", "UTC-6", "Sun 06-APR-08 02:00", "Sun 26-OCT-08 02:00"
Data  4, "New York City, USA",    "21,962,000", "UTC-5", "Sun 09-MAR-08 02:00", "Sun 02-NOV-08 02:00"
Data  5, "Mumbai, India",         "21,600,000", "UTC+5.5", "NONE"
Data  6, "Delhi, India",          "21,500,000", "UTC+5.5", "NONE"
Data  7, "São Paulo, Brazil",     "20,600,000", "UTC-3", "Sun 19-OCT-08 00:00", "Sun 17-FEB-09 00:00"
Data  8, "Los Angeles, USA",      "18,000,000", "UTC-8", "Sun 09-MAR-08 02:00", "Sun 02-NOV-08 02:00"
Data  9, "Shanghai, China",       "17,500,000", "UTC+8", "NONE"
Data 10, "Osaka, Japan",          "16,700,000", "UTC+9", "NONE"
Data 11, "Cairo, Egypt",          "16,100,100", "UTC+2", "Fri 25-APR-08 00:00", "Fri 29-AUG-08 00:00"
Data 12, "Buenos Aires,Argentina","16,000,000", "UTC-3", "Sun 19-OCT-08 00:00", "Sun 16-MAR-09 00:00"
Data 13, "Kolkata, India",        "15,700,000", "UTC+5.5", "NONE"
Data 14, "Manila, Philippines",   "15,600,000", "UTC+8", "NONE"
Data 15, "Jakarta, Indonesia",    "15,100,000", "UTC+7", "NONE"
Data 16, "Karach