Find and Convert UTC Time to PST Time


 
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Old 07-26-2010
Find and Convert UTC Time to PST Time

Hello All -

I have a script that grabs data from the net and outputs the following data

Code:
46029  46.144 -124.510 2010 07 26 22 50 320   4.0   6.0  2.2   9  6.8 311 1012.1  -0.9  13.3  13.5  13.3   -     -
46041  47.353 -124.731 2010 07 26 22 50 250   2.0   3.0  1.6   8  6.4  - 1011.6    -  12.5  13.1    -   -     -
46088  48.333 -123.167 2010 07 26 22 50 250   4.0   5.0  0.4   7  4.9 259 1009.2    -  13.4  13.0    -   -     -

The 7th and 8th columns (highlighted in red) represent a UTC/GMT time stamp. how can i convert each row, column $7 and $8 into Pacific Standard Time (-8 GMT) keeping in mine that my server is located in Mountain Standard Time (-7 GMT)?

Last edited by drexnefex; 07-27-2010 at 01:17 PM.. Reason: inserted 'column'
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ost::Time(3)						     Library Functions Manual						      ost::Time(3)

NAME
ost::Time - The Time class uses a integer representation of the current time. SYNOPSIS
#include <numbers.h> Inherited by ost::Datetime. Public Member Functions Time (time_t tm) Time (tm *dt) Time (char *str, size_t size=0) Time (int hour, int minute, int second) Time () virtual ~Time () long getValue (void) const int getHour (void) const int getMinute (void) const int getSecond (void) const char * getTime (char *buffer) const time_t getTime (void) const tm * getTime (tm *buf) const void setTime (char *str, size_t size=0) bool isValid (void) const operator long () String operator() () const Time & operator++ () Time & operator-- () Time & operator+= (const int val) Time & operator-= (const int val) int operator== (const Time &time) int operator!= (const Time &time) int operator< (const Time &time) int operator<= (const Time &time) int operator> (const Time &time) int operator>= (const Time &time) bool operator! () const Protected Member Functions void toSeconds (int hour, int minute, int second) void fromSeconds (char *buf) const virtual void update (void) Protected Attributes long seconds Friends Time operator+ (const Time &time1, const Time &time2) Time operator- (const Time &time1, const Time &time2) Time operator+ (const Time &time, const int val) Time operator- (const Time &time, const int val) Time operator+ (const int val, const Time &time) Time operator- (const int val, const Time &time) Detailed Description The Time class uses a integer representation of the current time. This is then manipulated in several forms and may be exported as needed. Author: Marcelo Dalmas mad@brasmap.com.br Integer based time class. Constructor &; Destructor Documentation ost::Time::Time (time_ttm) ost::Time::Time (tm *dt) ost::Time::Time (char *str, size_tsize = 0) ost::Time::Time (inthour, intminute, intsecond) ost::Time::Time () virtual ost::Time::~Time () [virtual] Member Function Documentation void ost::Time::fromSeconds (char *buf) const [protected] int ost::Time::getHour (void) const int ost::Time::getMinute (void) const int ost::Time::getSecond (void) const char* ost::Time::getTime (char *buffer) const time_t ost::Time::getTime (void) const tm* ost::Time::getTime (tm *buf) const long ost::Time::getValue (void) const bool ost::Time::isValid (void) const Reimplemented in ost::Datetime. ost::Time::operator long () [inline] bool ost::Time::operator! (void) const [inline] Reimplemented in ost::Datetime. int ost::Time::operator!= (const Time &time) String ost::Time::operator() () const Time& ost::Time::operator++ () Time& ost::Time::operator+= (const intval) Time& ost::Time::operator-- () Time& ost::Time::operator-= (const intval) int ost::Time::operator< (const Time &time) int ost::Time::operator<= (const Time &time) int ost::Time::operator== (const Time &time) int ost::Time::operator> (const Time &time) int ost::Time::operator>= (const Time &time) void ost::Time::setTime (char *str, size_tsize = 0) void ost::Time::toSeconds (inthour, intminute, intsecond) [protected] virtual void ost::Time::update (void) [protected], [virtual] Friends And Related Function Documentation Time operator+ (const Time &time1, const Time &time2) [friend] Time operator+ (const Time &time, const intval) [friend] Time operator+ (const intval, const Time &time) [friend] Time operator- (const Time &time1, const Time &time2) [friend] Time operator- (const Time &time, const intval) [friend] Time operator- (const intval, const Time &time) [friend] Member Data Documentation long ost::Time::seconds [protected] Author Generated automatically by Doxygen for GNU CommonC++ from the source code. GNU CommonC++ Sat Jun 23 2012 ost::Time(3)