SAP CONVERT_DATE_FORMAT Function Module for Convert date from yyyymmdd to ddmmyyyy format
CONVERT_DATE_FORMAT is a standard convert date format SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Convert date from yyyymmdd to ddmmyyyy format processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.
See here to view full function module documentation and code listing for convert date format FM, simply by entering the name CONVERT_DATE_FORMAT into the relevant SAP transaction such as SE37 or SE38.
Function Group: MTBE01
Program Name: SAPLMTBE01
Main Program: SAPLMTBE01
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CONVERT_DATE_FORMAT pattern details
In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.CALL FUNCTION 'CONVERT_DATE_FORMAT'"Convert date from yyyymmdd to ddmmyyyy format.
EXPORTING
* I_DATE = SY-DATUM "
IMPORTING
E_CALC_DATE = "
IMPORTING Parameters details for CONVERT_DATE_FORMAT
I_DATE -
Data type: DDefault: SY-DATUM
Optional: No
Call by Reference: Yes
EXPORTING Parameters details for CONVERT_DATE_FORMAT
E_CALC_DATE -
Data type: DOptional: No
Call by Reference: Yes
Copy and paste ABAP code example for CONVERT_DATE_FORMAT Function Module
The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.| DATA: | ||||
| lv_i_date | TYPE D, " SY-DATUM | |||
| lv_e_calc_date | TYPE D. " |
|   CALL FUNCTION 'CONVERT_DATE_FORMAT' "Convert date from yyyymmdd to ddmmyyyy format |
| EXPORTING | ||
| I_DATE | = lv_i_date | |
| IMPORTING | ||
| E_CALC_DATE | = lv_e_calc_date | |
| . " CONVERT_DATE_FORMAT | ||
ABAP code using 7.40 inline data declarations to call FM CONVERT_DATE_FORMAT
The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.| DATA(ld_i_date) | = SY-DATUM. | |||
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