Use the TIMEDATECTL command to set the time

Turn from: https://www.tecmint.com/set-time-timezone-and-synchronize-time-using-timedatectl-command/

1. To display the "current" and "date on" your system, use the Timedatectl command from the commandline as follows:

# Timedatectl  Status

Check Time and Date

In the scrrentcast above, the RTC time:is the hardware clock time.

2. The time on your Linux system are always managed through the timezone set on the system, to view your current timezone, Do it as follows:

# timedatectl 
OR
# Timedatectl | grep time

Check Linux Time Zone

3. To view all available timezones, run the command below:

# Timedatectl List-timezones

List all timezones in Linux

4. To find the local timezone according to your location, run the following command:

# Timedatectl List-timezones |  Egrep-  o "asia/b.*"
# timedatectl List-timezones |  Egrep-  o "europe/l.*"
# timedatectl List-timezones |  Egrep-  o "america/n.*"

Find local Timezone in Linux

5. To set your local timezone in Linux, we'll use Set-timezone switch as shown below.

# timedatectl Set-timezone "Asia/kolkata"

Set local Timezone in Linux

It is always recommended to with and set the Coordinated Universal Time, UTC.

# Timedatectl Set-timezone UTC

Set UTC time in Linux

You are need to type the correct name timezone the changing of the timezone, in the following exam PLE, the timezone "asia/kalkata" is not correct therefore causing the error.

Set correct Timezone in Linux I to Set time and Date in Linux

6. Can set the date and time on your system with the using the Timedatectl command as follows: set time in Linux

To set time only, we can use Set-time switch along the format of time in HH:MM:SS (Hour, Minute and Seconds).

# Timedatectl Set-time 15:58:30

Set local time in Linux set Date in Linux

7. To set date only, we can use Set-time switch along the format of date in YY:MM:DD (year, Month, day).

# Timedatectl Set-time 20151120

Set Date in Linux

8. To set both date and time:

# timedatectl Set-time ' 16:10:40 2015-11-20 '

Set Date and time in Linux, and set hardware Clock in Linux

9. To set your hardware clock to Coordinated Universal Time, UTC, use the SET-LOCAL-RTC boolean-value option as follows:

The Your hardware clock is set to local timezone:

# Timedatectl | grep Local

Set your hardware clock to local timezone:

# Timedatectl SET-LOCAL-RTC 1

Set Hardware Clock Timezone

Set your hardware clock to Coordinated Universal Time (UTC):

# timedatectl SET-LOCAL-RTC 0

Set hardware Clock to UTC synchronizing Linux System Clock with a Remote NTP Server

NTP stands for Network time Protocol is a Internet Protocol, which are used to synchronize system clock between. The Timedatectl utility enables you-automatically sync your Linux system clock with a remote group of servers using NTP .