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reagle/tz.py

Created October 12, 2022 12:58
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  1. reagle created this gist Oct 12, 2022.
    52 changes: 52 additions & 0 deletions tz.py
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    Original file line number Diff line number Diff line change
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    #!/usr/bin/env python3
    # Print world clock in terminal
    # (c) Copyright 2022 by Joseph Reagle
    # Licensed under the GPLv3, see <http://www.gnu.org/licenses/gpl-3.0.html>
    #
    # replacing: https://superuser.com/questions/164339/timezone-conversion-by-command-line

    import argparse # http://docs.python.org/dev/library/argparse.html
    import sys

    import pendulum # https://pendulum.eustace.io/docs/

    my_tz = "America/New_York"
    my_start = pendulum.parse("8:00", tz=my_tz) # start of day in 24 HH
    my_end = pendulum.parse("18:00", tz=my_tz) # end of day in 24 HH

    arg_parser = argparse.ArgumentParser(description="Print world clock in terminal")
    arg_parser.add_argument("time", nargs="?", metavar="TIME", help="target time to show")
    args = arg_parser.parse_args(sys.argv[1:])
    if args.time:
    args.time = pendulum.parse(args.time, tz=my_tz)
    else:
    args.time = pendulum.now(my_tz)

    # zones of interest
    target_zones = [
    "Asia/Calcutta",
    "Etc/UTC",
    "Europe/London",
    "America/New_York",
    "America/Chicago",
    "America/Denver",
    "America/Los_Angeles",
    ]

    for zone in target_zones:
    zone_time = args.time.in_timezone(zone)

    highlight = "\033[4m" if zone == my_tz else "\033[0m"
    print(
    f"{highlight}{zone:<20} {zone_time.strftime('%b-%d')}"
    + f" {zone_time.strftime('%H:%M%p | %z')}",
    end=" || ",
    )

    counter = my_start
    while counter <= my_end:
    counter_in_tz = counter.in_timezone(zone)
    print(f"{counter_in_tz.format('HH')} ", end="")
    counter = counter.add(hours=1)

    print()