時間
時區設定
依選項選擇你在的時區
sudo tzselect
更換時區檔
sudo cp /usr/share/zoneinfo/Asia/Taipei /etc/localtime
對時
sudo apt-get install ntpdate
sudo ntpdate time.stdtime.gov.tw
時間寫入 BIOS
sudo hwclock -w
每日對時
sudo crontab -e
cronjob
0 0 * * * /usr/sbin/ntpdate time.stdtime.gov.tw > /dev/null
若 ntpdate 路徑與我不太一樣,可以使用
which ntpdate
去查看看您的真實路徑為何
列出所有可用時區
$ timedatectl list-timezones
$ timedatectl list-timezones
Africa/Accra
Africa/Addis_Ababa
Africa/Algiers
Africa/Asmara
Africa/Bamako
Africa/Bangui
Africa/Banjul
Africa/Bissau
Africa/Blantyre
Africa/Brazzaville
Africa/Bujumbura
Africa/Cairo
Africa/Casablanca
Africa/Ceuta
Africa/Conakry
Africa/Dakar
Africa/Dar_es_Salaam
Africa/Djibouti
Africa/Douala
Africa/El_Aaiun
Africa/Freetown
Africa/Gaborone
Africa/Harare
Africa/Johannesburg
Africa/Juba
Africa/Kampala
Africa/Khartoum
Africa/Kigali
Africa/Kinshasa
Africa/Lagos
Africa/Libreville
Africa/Lome
Africa/Luanda
Africa/Lubumbashi
Africa/Lusaka
Africa/Malabo
Africa/Maputo
Africa/Maseru
Africa/Mbabane
Africa/Mogadishu
Africa/Monrovia
Africa/Nairobi
Africa/Ndjamena
Africa/Niamey
Africa/Nouakchott
Africa/Ouagadougou
Africa/Porto-Novo
Africa/Sao_Tome
Africa/Tripoli
Africa/Tunis
Africa/Windhoek
America/Adak
列出所有亞洲可用時區
$ timedatectl list-timezones | grep Asia
$ timedatectl list-timezones | grep Asia
Asia/Aden
Asia/Almaty
Asia/Amman
Asia/Anadyr
Asia/Aqtau
Asia/Aqtobe
Asia/Ashgabat
Asia/Atyrau
Asia/Baghdad
Asia/Bahrain
Asia/Baku
Asia/Bangkok
Asia/Barnaul
Asia/Beirut
Asia/Bishkek
Asia/Brunei
Asia/Chita
Asia/Choibalsan
Asia/Colombo
Asia/Damascus
Asia/Dhaka
Asia/Dili
Asia/Dubai
Asia/Dushanbe
Asia/Famagusta
Asia/Gaza
Asia/Hebron
Asia/Ho_Chi_Minh
Asia/Hong_Kong
Asia/Hovd
Asia/Irkutsk
Asia/Jakarta
Asia/Jayapura
timedatectl 檢查時區設定
$ timedatectl
$ timedatectl
Local time: Tue 2021-08-31 11:13:12 CST
Universal time: Tue 2021-08-31 03:13:12 UTC
RTC time: Tue 2021-08-31 03:13:13
Time zone: Etc/UTC (CST, +0800)
System clock synchronized: yes
systemd-timesyncd.service active: yes
RTC in local TZ: no
設定時區
$ timedatectl set-timezone <你要設定的時區>
$ timedatectl set-timezone Asia/Taipei
$ timedatectl
Local time: Tue 2021-08-31 11:25:01 CST
Universal time: Tue 2021-08-31 03:25:01 UTC
RTC time: Tue 2021-08-31 03:25:02
Time zone: Asia/Taipei (CST, +0800)
System clock synchronized: yes
systemd-timesyncd.service active: yes
RTC in local TZ: no
$ timedatectl set-timezone Asia/Bangkok
$ timedatectl
Local time: Tue 2021-08-31 10:26:47 +07
Universal time: Tue 2021-08-31 03:26:47 UTC
RTC time: Tue 2021-08-31 03:26:47
Time zone: Asia/Bangkok (+07, +0700)
System clock synchronized: yes
systemd-timesyncd.service active: yes
RTC in local TZ: no
/usr/share/zoneinfo/iso3166.tab: No such file or directory
$ sudo tzselect
/usr/bin/tzselect: line 180: /usr/share/zoneinfo/iso3166.tab: No such file or directory
/usr/bin/tzselect: time zone files are not set up correctly
若在設定時區時出現 /usr/share/zoneinfo/iso3166.tab: No such file or directory
問題,可以重新安裝時區套件即可解決
sudo apt-get install tzdata
參考資料
- [Ubuntu]Ubuntu 更改時區 | Philip@Swarchy
- Debian User Forums • View topic - Setting time zone
- 修改 Linux 系統時間、時區的設定 - TerryL