diff --git a/kosmorro/locales/cs/LC_MESSAGES/messages.po b/kosmorro/locales/cs/LC_MESSAGES/messages.po
deleted file mode 100644
index 1fe7d06..0000000
--- a/kosmorro/locales/cs/LC_MESSAGES/messages.po
+++ /dev/null
@@ -1,333 +0,0 @@
-# Translations template for PROJECT.
-# Copyright (C) 2022 ORGANIZATION
-# This file is distributed under the same license as the PROJECT project.
-# FIRST AUTHOR <EMAIL@ADDRESS>, 2022.
-# Jiří Podhorecký <j.podhorecky@volny.cz>, 2022.
-msgid ""
-msgstr ""
-"Project-Id-Version: PROJECT VERSION\n"
-"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2022-07-07 13:10+0200\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
-"Last-Translator: Automatically generated\n"
-"Language-Team: none\n"
-"Language: cs\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 2.10.1\n"
-
-#: kosmorro/__main__.py:61
-msgid ""
-"Save the planet and paper!\n"
-"Consider printing your PDF document only if really necessary, and use the "
-"other side of the sheet."
-msgstr ""
-
-#: kosmorro/__main__.py:70
-msgid ""
-"PDF output will not contain the ephemerides, because you didn't provide the "
-"observation coordinates."
-msgstr ""
-
-#: kosmorro/__main__.py:115
-msgid "The file could not be saved in \"{path}\": {error}"
-msgstr ""
-
-#: kosmorro/__main__.py:129
-msgid "Please provide a file path to export in this format (--output)."
-msgstr ""
-
-#: kosmorro/__main__.py:162
-msgid "Moon phase can only be computed between {min_date} and {max_date}"
-msgstr ""
-
-#: kosmorro/__main__.py:201
-msgid ""
-"Running on Python {python_version} with Kosmorrolib v{kosmorrolib_version}"
-msgstr ""
-
-#: kosmorro/__main__.py:214
-msgid ""
-"Compute the ephemerides and the events for a given date and a given position "
-"on Earth."
-msgstr ""
-
-#: kosmorro/__main__.py:217
-msgid ""
-"By default, only the events will be computed for today.\n"
-"To compute also the ephemerides, latitude and longitude arguments are needed."
-msgstr ""
-
-#: kosmorro/__main__.py:230
-msgid "Show the program version"
-msgstr ""
-
-#: kosmorro/__main__.py:238
-msgid "The format to output the information to"
-msgstr ""
-
-#: kosmorro/__main__.py:245
-msgid ""
-"The observer's latitude on Earth. Can also be set in the KOSMORRO_LATITUDE "
-"environment variable."
-msgstr ""
-
-#: kosmorro/__main__.py:255
-msgid ""
-"The observer's longitude on Earth. Can also be set in the KOSMORRO_LONGITUDE "
-"environment variable."
-msgstr ""
-
-#: kosmorro/__main__.py:265
-msgid ""
-"The date for which the ephemerides must be calculated. Can be in the YYYY-MM-"
-"DD format or an interval in the \"[+-]YyMmDd\" format (with Y, M, and D "
-"numbers). Defaults to current date."
-msgstr ""
-
-#: kosmorro/__main__.py:276
-msgid ""
-"The timezone to display the hours in (e.g. 2 for UTC+2 or -3 for UTC-3). Can "
-"also be set in the KOSMORRO_TIMEZONE environment variable."
-msgstr ""
-
-#: kosmorro/__main__.py:285
-msgid "Disable the colors in the console."
-msgstr ""
-
-#: kosmorro/__main__.py:292
-msgid ""
-"A file to export the output to. If not given, the standard output is used. "
-"This argument is needed for PDF format."
-msgstr ""
-
-#: kosmorro/__main__.py:301
-msgid ""
-"Do not generate a graph to represent the rise and set times in the PDF "
-"format."
-msgstr ""
-
-#: kosmorro/__main__.py:309
-msgid "Show debugging messages"
-msgstr ""
-
-#: kosmorro/date.py:17
-msgid "The date {date} is not valid: {error}"
-msgstr ""
-
-#: kosmorro/date.py:39
-msgid ""
-"The date {date} does not match the required YYYY-MM-DD format or the offset "
-"format."
-msgstr ""
-
-#: kosmorro/dumper.py:137
-msgid "Expected events:"
-msgstr ""
-
-#: kosmorro/dumper.py:144
-msgid "Note: All the hours are given in UTC."
-msgstr ""
-
-#: kosmorro/dumper.py:151
-msgid "Note: All the hours are given in the UTC{offset} timezone."
-msgstr ""
-
-#: kosmorro/dumper.py:205 kosmorro/dumper.py:333
-msgid "Object"
-msgstr ""
-
-#: kosmorro/dumper.py:206 kosmorro/dumper.py:334
-msgid "Rise time"
-msgstr ""
-
-#: kosmorro/dumper.py:207 kosmorro/dumper.py:336
-msgid "Culmination time"
-msgstr ""
-
-#: kosmorro/dumper.py:208 kosmorro/dumper.py:338
-msgid "Set time"
-msgstr ""
-
-#: kosmorro/dumper.py:234
-msgid "Moon phase is unavailable for this date."
-msgstr ""
-
-#: kosmorro/dumper.py:238 kosmorro/dumper.py:342
-msgid "Moon phase:"
-msgstr ""
-
-#: kosmorro/dumper.py:242
-msgid "{next_moon_phase} on {next_moon_phase_date} at {next_moon_phase_time}"
-msgstr ""
-
-#: kosmorro/dumper.py:306
-msgid "Overview of your sky"
-msgstr ""
-
-#: kosmorro/dumper.py:314
-msgid ""
-"This document summarizes the ephemerides and the events of {date}. It aims "
-"to help you to prepare your observation session. All the hours are given in "
-"{timezone}."
-msgstr ""
-
-#: kosmorro/dumper.py:324
-msgid ""
-"Don't forget to check the weather forecast before you go out with your "
-"equipment."
-msgstr ""
-
-#: kosmorro/dumper.py:331
-msgid "Ephemerides of the day"
-msgstr ""
-
-#: kosmorro/dumper.py:340
-msgid "hours"
-msgstr ""
-
-#: kosmorro/dumper.py:347
-msgid "Expected events"
-msgstr ""
-
-#: kosmorro/dumper.py:487
-msgid ""
-"Building PDF was not possible, because some dependencies are not installed.\n"
-"Please look at the documentation at https://kosmorro.space/cli/generate-pdf/ "
-"for more information."
-msgstr ""
-
-#: kosmorro/dumper.py:540
-#, python-format
-msgid ""
-"An error occurred during the compilation of the PDF.\n"
-"Please open an issue at https://github.com/Kosmorro/kosmorro/issues and "
-"share the content of the log file at /tmp/kosmorro-%s.log"
-msgstr ""
-
-#: kosmorro/exceptions.py:35
-msgid "The date must be between {minimum_date} and {maximum_date}"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:11
-#, python-format
-msgid "%s is in opposition"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:12
-#, python-format
-msgid "%s and %s are in conjunction"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:13
-#, python-format
-msgid "%s occults %s"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:15
-#, python-format
-msgid "Elongation of %s is maximal"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:18
-#, python-format
-msgid "%s is at its periapsis"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:19
-#, python-format
-msgid "%s is at its apoapsis"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:35
-msgid "New Moon"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:36
-msgid "Waxing Crescent"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:37
-msgid "First Quarter"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:38
-msgid "Waxing Gibbous"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:39
-msgid "Full Moon"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:40
-msgid "Waning Gibbous"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:41
-msgid "Last Quarter"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:42
-msgid "Waning Crescent"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:53
-msgid "Sun"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:54
-msgid "Moon"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:55
-msgid "Mercury"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:56
-msgid "Venus"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:57
-msgid "Earth"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:58
-msgid "Mars"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:59
-msgid "Jupiter"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:60
-msgid "Saturn"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:61
-msgid "Uranus"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:62
-msgid "Neptune"
-msgstr ""
-
-#: kosmorro/i18n/strings.py:63
-msgid "Pluto"
-msgstr ""
-
-#: kosmorro/i18n/utils.py:27
-msgid "{day_of_week} {month} {day_number}, {year}"
-msgstr ""
-
-#: kosmorro/i18n/utils.py:30
-msgid "{month} {day_number}, {hours}:{minutes}"
-msgstr ""
-
-#: kosmorro/i18n/utils.py:33
-msgid "{month} {day_number}, {year}"
-msgstr ""
-
-#: kosmorro/i18n/utils.py:36
-msgid "{hours}:{minutes}"
-msgstr ""