#include <iostream>
#include "TString.h"
#include "TError.h"
#include "TDatime.h"

TString fTimeFormat="%d/%m/%y%F2023-08-16 12:02:57s0";

UInt_t GetGMTimeOffset() {

  Int_t idF = fTimeFormat.Index("%F")+2;
  if (idF<2) {
    Warning("GetGMTimeOffset","Time format is not set!");
    return 0;
  }
  TString stime=fTimeFormat(idF,19);
  if (stime.Length() != 19) {
    Warning("GetGMTimeOffset","Bad time format!");
    return 0;
  }

  TDatime datime(stime.Data());
  return datime.Convert(kTRUE);  // Convert to unix gmt time
} //GetGMTimeOffset

int TAxis_GetGMTimeOffset2() {
  UInt_t unix_time = GetGMTimeOffset();
  Info("TAxis_GetGMTimeOffset1","String format='%s', Unix time (GMT): %u",fTimeFormat.Data(),unix_time);
  return 0;
}