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Setting timezone in Python

Is it possible with Python to set the timezone just like this in PHP:

date_default_timezone_set("Europe/London");
$Year = date('y');
$Month = date('m');
$Day = date('d');
$Hour = date('H');
$Minute = date('i');

I can't really install any other modules etc as I'm using shared web hosting.

Any ideas?

like image 917
Adam Chetnik Avatar asked Aug 19 '09 17:08

Adam Chetnik


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How do you set the timezone in Python?

to convert time between timezones, you could use pytz module e.g., tz = pytz. timezone('Europe/London'); london_time = tz. normalize(aware_dt. astimezone(tz)) .

How does Python handle time zones?

The parameter pytz. timezone allows us to specify the timezone information as a string. We can pass in any available timezone and will get the current date time of that timezone, and it will also print the offset with respect to the UTC. i.e., the difference between UTC timezone(+00:00) and the specified time zone.

What timezone is Python datetime?

Python comes with a timestamp object named datetime. datetime . It can store date and time precise to the microsecond, and is qualified of timezone "aware" or "unaware", whether it embeds a timezone information or not. To build such an object based on the current time, one can use datetime.

Which Python library is used for timezone?

pytz brings the Olson tz database into Python. This library allows accurate and cross platform timezone calculations using Python 2.4 or higher. It also solves the issue of ambiguous times at the end of daylight saving time, which you can read more about in the Python Library Reference ( datetime. tzinfo ).


5 Answers

>>> import os, time
>>> time.strftime('%X %x %Z')
'12:45:20 08/19/09 CDT'
>>> os.environ['TZ'] = 'Europe/London'
>>> time.tzset()
>>> time.strftime('%X %x %Z')
'18:45:39 08/19/09 BST'

To get the specific values you've listed:

>>> year = time.strftime('%Y')
>>> month = time.strftime('%m')
>>> day = time.strftime('%d')
>>> hour = time.strftime('%H')
>>> minute = time.strftime('%M')

See here for a complete list of directives. Keep in mind that the strftime() function will always return a string, not an integer or other type.

like image 193
Richard Simões Avatar answered Oct 18 '22 05:10

Richard Simões


Be aware that running

import os
os.system("tzutil /s \"Central Standard Time\"");

will alter Windows system time, NOT just the local python environment time (so is definitley NOT the same as:

>>> os.environ['TZ'] = 'Europe/London'
>>> time.tzset()

which will only set in the current environment time (in Unix only)

like image 11
Noel Snape Avatar answered Oct 18 '22 05:10

Noel Snape


For windows you can use:

Running Windows command prompt commands in python.

import os
os.system('tzutil /s "Central Standard Time"')

In windows command prompt try:

This gives current timezone:

tzutil /g

This gives a list of timezones:

tzutil /l

This will set the timezone:

tzutil /s "Central America Standard Time"

For further reference: http://woshub.com/how-to-set-timezone-from-command-prompt-in-windows/

like image 7
Ashwin R Avatar answered Oct 18 '22 05:10

Ashwin R


You can use pytz as well..

import datetime
import pytz
def utcnow():
    return datetime.datetime.now(tz=pytz.utc)
utcnow()
   datetime.datetime(2020, 8, 15, 14, 45, 19, 182703, tzinfo=<UTC>)
utcnow().isoformat()

'

2020-08-15T14:45:21.982600+00:00'

like image 6
Vijay Avatar answered Oct 18 '22 04:10

Vijay


It's not an answer, but...

To get datetime components individually, better use datetime.timetuple:

time = datetime.now()
time.timetuple()
#-> time.struct_time(
#    tm_year=2014, tm_mon=9, tm_mday=7, 
#    tm_hour=2, tm_min=38, tm_sec=5, 
#    tm_wday=6, tm_yday=250, tm_isdst=-1
#)

It's now easy to get the parts:

ts = time.timetuple()
ts.tm_year
ts.tm_mon
ts.tm_mday
ts.tm_hour
ts.tm_min
ts.tm_sec
like image 1
kolypto Avatar answered Oct 18 '22 03:10

kolypto