Python datetime vs PHP DateTime

php_datetime.php

<?php
#Equivalent to this PHP codes:
$gmt_timezone = new DateTimeZone('GMT');
$obj_date = new DateTime(null,$gmt_timezone);
echo $obj_date->format('d/m/Y h:i:s');
#OR
date_default_timezone_set("GMT");
echo date('d/m/Y h:i:s', time());
?>

python_datetime.py

#!/usr/bin/python
from datetime import datetime 
from dateutil import parser

now = datetime.now()

current_year = now.year
current_month = now.month
curren_day = now.day

print '%s/%s/%s' % (now.day, now.month, now.year) #2014-4-5
print '%s:%s:%s' % (now.hour, now.minute, now.second) #19:30:1
print '%s/%s/%s %s:%s:%s' % (now.day, now.month, now.year, now.hour, now.minute, now.second) #5/4/2014 19:32:2


dt = parser.parse("Aug 28 1999 12:00AM")
print dt

print datetime.now().strftime('%Y-%m-%d %H:%M:%S')

date1 = datetime(2009, 12, 31, 12, 0, 0);
print date1.strftime("%d-%m-%Y %H:%M:%S")

date_object = datetime.strptime('Jun 1 2005  1:33PM', '%b %d %Y %I:%M%p')

print date_object

ruby_datetime.rb

#http://www.tutorialspoint.com/ruby/ruby_date_time.htm
#!/usr/bin/ruby
 time = Time.new

puts time.to_s
puts time.ctime
puts time.localtime
puts time.strftime("%d/%m/%Y %H:%M:%S")

# July 8, 2008
Time.local(2008, 7, 8)  
# July 8, 2008, 09:10am, local time
Time.local(2008, 7, 8, 9, 10)   
# July 8, 2008, 09:10 UTC
Time.utc(2008, 7, 8, 9, 10)  
# July 8, 2008, 09:10:11 GMT (same as UTC)
Time.gm(2008, 7, 8, 9, 10, 11)