WW2010
University of Illinois

WW2010
 
welcome
 
online guides
 
archives
 
educational cd-rom
 
current weather
 
about ww2010
 
index

Online Guides
 
introduction
 
meteorology
 
remote sensing
 
reading maps
 
projects, activities

Reading Maps
 
introduction
 
utc conversions
 
temp conversions
 
surface obs
 
surface maps
 
upper air obs

UTC Conversions
 
definition
 
24 hour clock
 
am/pm to utc
 
utc to am/pm

User Interface
 
graphics
text

.
Converting from UTC to AM/PM
for both standard and daylight saving time

Standard Time:
When converting from Coordinated Universal Time (UTC), first use the conversion table below.


From UTC to Local Time:
Eastern Standard Time (EST) UTC - 5 hours = EST
Central Standard Time (CST) UTC - 6 hours = CST
Mountain Standard Time (MST) UTC - 7 hours = MST
Pacific Standard Time (PST) UTC - 8 hours = PST

Next, the local time is converted from a 24 Hour Clock to an AM/PM time.

Some Examples:
UTC Date
UTC Time
Local Time -->
24 Hour Clock
AM/PM Time
Local Date
May 2nd
1459
959 (EST)
9:59 AM (EST)
May 2nd
May 2nd
1800
1300 (EST)
1:00 PM (EST)
May 2nd
May 2nd
2300
1800 (EST)
6:00 PM (EST)
May 2nd

If the local time on the 24 hour clock is less than 0000, then you have crossed over to the previous day. So for example, -0400 becomes 2000 the day before.

May 3rd
0000
1800 (CST)
6:00 PM (CST)
May 2nd
May 3rd
0100
1800 (MST)
6:00 PM (MST)
May 2nd
May 3rd
0200
1800 (PST)
6:00 PM (PST)
May 2nd



Daylight Saving Time:
When converting from UTC to Daylight Saving Time, the conversions are similar but the UTC Time is one hour less than when converting than its Standard Time counterpart. First use the conversion table below.


From UTC to Local Time:
Eastern Daylight Time (EDT) UTC - 4 hours = EDT
Central Daylight Time (CDT) UTC - 5 hours = CDT
Mountain Daylight Time (MDT) UTC - 6 hours = MDT
Pacific Daylight Time (PST) UTC - 7 hours = PDT


Next, the local time is converted from a 24 Hour Clock to an AM/PM time.

Some Examples:
UTC Date
UTC Time
Local Time -->
24 Hour Clock
AM/PM Time
Local Date
May 2nd
1459
1059 (EDT)
10:59 AM (EDT)
May 2nd
May 2nd
1800
1400 (EDT)
2:00 PM (EDT)
May 2nd
May 2nd
2300
1900 (EDT)
7:00 PM (EDT)
May 2nd

If the local time on the 24 hour clock is less than 0000, then you have crossed over to the previous day. So for example, -0400 becomes 2000 the day before.

May 3rd
0000
1900 (CDT)
7:00 PM (CDT)
May 2nd
May 3rd
0100
1900 (MDT)
7:00 PM (MDT)
May 2nd
May 3rd
0200
1900 (PDT)
7:00 PM (PDT)
May 2nd



am/pm to utc
Terms for using data resources. CD-ROM available.
Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.

Reading Maps