It's sometimes a bit confusing when ppl invite to a MP without mentioning a correct (or any) timezone. For reference here's list.
I suggest it's made sticky unless this is allready listed somewhere (I haven't found it).
UTC Coordinated Universal Time, civil time, the one most often used by "ordinary" people
European
GMT Greenwich Mean Time, as UTC
BST British Summer Time, as UTC+1 hour
IST Irish Summer Time, as UTC+1 hour
WET Western Europe Time, as UTC
WEST Western Europe Summer Time, as UTC+1 hour
CET Central Europe Time, as UTC+1
CEST Central Europe Summer Time, as UTC+2
EET Eastern Europe Time, as UTC+2
EEST Eastern Europe Summer Time, as UTC+3
MSK Moscow Time, as UTC+3
MSD Moscow Summer Time, as UTC+4
US and Canada
NST Newfoundland Standard Time, as UTC-3:30 hours (half-hour time zone)
NDT Newfoundland Daylight Time, as UTC-2:30 hours
AST Atlantic Standard Time, as UTC-4 hours
ADT Atlantic Daylight Time, as UTC-3 hours
EST Eastern Standard Time, as UTC-5 hours
EDT Eastern Daylight Saving Time, as UTC-4 hours
ET Eastern Time, either as EST or EDT, depending on place and time of year e.g. New York
CST Central Standard Time, as UTC-6 hours
CDT Central Daylight Saving Time, as UTC-5 hours
CT Central Time, either as CST or CDT, depending on place and time of year e.g. Chicago
MST Mountain Standard Time, as UTC-7 hours
MDT Mountain Daylight Saving Time, as UTC-6 hours
MT Mountain Time, either as MST or MDT, depending on place and time of year e.g. Denver
PST Pacific Standard Time, as UTC-8 hours
PDT Pacific Daylight Saving Time, as UTC-7 hours
PT Pacific Time, either as PST or PDT, depending on place and time of year e.g. Los Angeles
HST Hawaiian Standard Time, as UTC-10 hours
AKST Alaska Standard Time, as UTC-9 hours
AKDT Alaska Standard Daylight Saving Time, as UTC-8 hours
Australia
AEST Australian Eastern Standard Time, as UTC+10 hours e.g. Brisbane
AEDT Australian Eastern Daylight Time, as UTC+11 hours e.g. Canberra during summer
ACST Australian Central Standard Time, as UTC+9.5 hours e.g. Darwin
ACDT Australian Central Daylight Time, as UTC+10.5 hours e.g. Adelaide during summer
AWST Australian Western Standard Time, as UTC+8 hours e.g. Perth
I suggest it's made sticky unless this is allready listed somewhere (I haven't found it).
UTC Coordinated Universal Time, civil time, the one most often used by "ordinary" people
European
GMT Greenwich Mean Time, as UTC
BST British Summer Time, as UTC+1 hour
IST Irish Summer Time, as UTC+1 hour
WET Western Europe Time, as UTC
WEST Western Europe Summer Time, as UTC+1 hour
CET Central Europe Time, as UTC+1
CEST Central Europe Summer Time, as UTC+2
EET Eastern Europe Time, as UTC+2
EEST Eastern Europe Summer Time, as UTC+3
MSK Moscow Time, as UTC+3
MSD Moscow Summer Time, as UTC+4
US and Canada
NST Newfoundland Standard Time, as UTC-3:30 hours (half-hour time zone)
NDT Newfoundland Daylight Time, as UTC-2:30 hours
AST Atlantic Standard Time, as UTC-4 hours
ADT Atlantic Daylight Time, as UTC-3 hours
EST Eastern Standard Time, as UTC-5 hours
EDT Eastern Daylight Saving Time, as UTC-4 hours
ET Eastern Time, either as EST or EDT, depending on place and time of year e.g. New York
CST Central Standard Time, as UTC-6 hours
CDT Central Daylight Saving Time, as UTC-5 hours
CT Central Time, either as CST or CDT, depending on place and time of year e.g. Chicago
MST Mountain Standard Time, as UTC-7 hours
MDT Mountain Daylight Saving Time, as UTC-6 hours
MT Mountain Time, either as MST or MDT, depending on place and time of year e.g. Denver
PST Pacific Standard Time, as UTC-8 hours
PDT Pacific Daylight Saving Time, as UTC-7 hours
PT Pacific Time, either as PST or PDT, depending on place and time of year e.g. Los Angeles
HST Hawaiian Standard Time, as UTC-10 hours
AKST Alaska Standard Time, as UTC-9 hours
AKDT Alaska Standard Daylight Saving Time, as UTC-8 hours
Australia
AEST Australian Eastern Standard Time, as UTC+10 hours e.g. Brisbane
AEDT Australian Eastern Daylight Time, as UTC+11 hours e.g. Canberra during summer
ACST Australian Central Standard Time, as UTC+9.5 hours e.g. Darwin
ACDT Australian Central Daylight Time, as UTC+10.5 hours e.g. Adelaide during summer
AWST Australian Western Standard Time, as UTC+8 hours e.g. Perth
