sql - Converting datetime format to 12 hour

Sql - Converting datetime format to 12 hour

To convert a datetime format to a 12-hour format in SQL Server, you can use the CONVERT() function along with style code 100 for the date portion and style code 108 for the time portion. Here's how you can do it:

Example:

Suppose you have a datetime column datetime_column in your table, and you want to convert it to a 12-hour format.

SELECT CONVERT(VARCHAR(20), datetime_column, 100) AS formatted_date, CONVERT(VARCHAR(20), datetime_column, 108) AS formatted_time FROM your_table;

This query converts the datetime_column to a 12-hour format for both date and time portions.

Explanation:

  • CONVERT(VARCHAR(20), datetime_column, 100) converts the datetime column to a date format in style 100, which is mon dd yyyy hh:miAM (or PM).
  • CONVERT(VARCHAR(20), datetime_column, 108) converts the datetime column to a time format in style 108, which is hh:mi:ss.

Note:

  • Adjust the column name (datetime_column) and table name (your_table) according to your actual table structure.
  • The size of the VARCHAR parameter (20 in this example) should be adjusted to accommodate the length of the formatted date and time string.
  • Ensure that the VARCHAR size is large enough to hold the formatted date and time strings to avoid truncation.

Additional Considerations:

  • If you want to concatenate the formatted date and time into a single string, you can use string concatenation (+) in your SELECT statement.
  • If you want to include the AM/PM indicator, use style code 9 for the time portion (hh:mi/PM) instead of style code 108.

Example with AM/PM indicator:

SELECT CONVERT(VARCHAR(20), datetime_column, 100) AS formatted_date, CONVERT(VARCHAR(20), datetime_column, 9) AS formatted_time_with_am_pm FROM your_table;

This will provide the time portion in the format hh:mi:ssAM (or PM). Adjust the VARCHAR size as needed to accommodate the formatted string.

Examples

  1. SQL Server - Convert datetime to 12-hour format with AM/PM

    Description: Convert a datetime column to 12-hour format including AM/PM indicator in SQL Server.

    -- Example: SQL Server - Convert datetime to 12-hour format with AM/PM SELECT CONVERT(VARCHAR(30), YourDateTimeColumn, 109) AS FormattedDateTime FROM YourTable;

  2. SQL - Format datetime in 12-hour format with AM/PM

    Description: Format datetime to 12-hour format with AM/PM indicator using FORMAT function in SQL.

    -- Example: SQL - Format datetime in 12-hour format with AM/PM SELECT FORMAT(YourDateTimeColumn, 'MM/dd/yyyy hh:mm tt') AS FormattedDateTime FROM YourTable;

  3. SQL Server - Convert datetime to 12-hour time without leading zeros

    Description: Convert datetime to 12-hour format without leading zeros for hour using CONVERT function in SQL Server.

    -- Example: SQL Server - Convert datetime to 12-hour time without leading zeros SELECT CONVERT(VARCHAR(30), YourDateTimeColumn, 100) AS FormattedDateTime FROM YourTable;

  4. SQL - Convert datetime to 12-hour format with custom AM/PM casing

    Description: Convert datetime to 12-hour format with custom casing for AM/PM indicator using FORMAT function in SQL.

    -- Example: SQL - Convert datetime to 12-hour format with custom AM/PM casing SELECT FORMAT(YourDateTimeColumn, 'MM/dd/yyyy hh:mm tt', 'en-US') AS FormattedDateTime FROM YourTable;

  5. SQL Server - Convert datetime to 12-hour format using DATEPART and CASE

    Description: Convert datetime to 12-hour format with AM/PM using DATEPART and CASE statements in SQL Server.

    -- Example: SQL Server - Convert datetime to 12-hour format using DATEPART and CASE SELECT CONVERT(VARCHAR(30), YourDateTimeColumn, 101) + ' ' + CASE WHEN DATEPART(HOUR, YourDateTimeColumn) < 12 THEN 'AM' ELSE 'PM' END AS FormattedDateTime FROM YourTable;

  6. SQL - Convert datetime to 12-hour format with leading space for single-digit hour

    Description: Convert datetime to 12-hour format ensuring single-digit hours have a leading space using FORMAT function in SQL.

    -- Example: SQL - Convert datetime to 12-hour format with leading space SELECT FORMAT(YourDateTimeColumn, 'MM/dd/yyyy hh:mm tt') AS FormattedDateTime FROM YourTable;

  7. SQL Server - Convert datetime to 12-hour format with zero-padded minute

    Description: Convert datetime to 12-hour format ensuring minutes are zero-padded using CONVERT function in SQL Server.

    -- Example: SQL Server - Convert datetime to 12-hour format with zero-padded minute SELECT CONVERT(VARCHAR(30), YourDateTimeColumn, 109) AS FormattedDateTime FROM YourTable;

  8. SQL - Convert datetime to 12-hour format with custom AM/PM

    Description: Convert datetime to 12-hour format with custom AM/PM indicator using FORMAT function in SQL.

    -- Example: SQL - Convert datetime to 12-hour format with custom AM/PM SELECT FORMAT(YourDateTimeColumn, 'MM/dd/yyyy hh:mm "o\'clock" tt') AS FormattedDateTime FROM YourTable;

  9. SQL Server - Convert datetime to 12-hour format with no AM/PM

    Description: Convert datetime to 12-hour format without AM/PM indicator using CONVERT function in SQL Server.

    -- Example: SQL Server - Convert datetime to 12-hour format with no AM/PM SELECT REPLACE(CONVERT(VARCHAR(30), YourDateTimeColumn, 100), 'AM', '') AS FormattedDateTime FROM YourTable;

  10. SQL - Convert datetime to 12-hour format with day and month names

    Description: Convert datetime to 12-hour format including day and month names using FORMAT function in SQL.

    -- Example: SQL - Convert datetime to 12-hour format with day and month names SELECT FORMAT(YourDateTimeColumn, 'dddd, MMMM dd, yyyy hh:mm tt') AS FormattedDateTime FROM YourTable;

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