SAP NW_GR_CALC_DATES Function Module for Calculate start and end time from start date and duration

Search SAP Function Modules

NW_GR_CALC_DATES is a standard nw gr calc dates SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Calculate start and end time from start date and duration 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 nw gr calc dates FM, simply by entering the name NW_GR_CALC_DATES into the relevant SAP transaction such as SE37 or SE38.

Function Group: NWGR
Program Name: SAPLNWGR
Main Program: SAPLNWGR
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function NW_GR_CALC_DATES 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 'NW_GR_CALC_DATES'"Calculate start and end time from start date and duration
  EXPORTING
   ARBID =  "Object ID of the resource
   BEGINN =  "SAP Graphics: Seconds since 30.12.1899
   DAUER =  "SAP Graphics: Seconds since 30.12.1899
   EINHEIT =  "Normal duration/unit
   KALID =  "Factory Calendar

 IMPORTING
   DAUER_OPR =  "Normal duration of the activity
   ENDE_DATUM =  "Earliest scheduled start: Execution (date)
   ENDE_ZEIT =  "Earliest scheduled start: Execution (time)
   START_DATUM =  "Earliest scheduled start: Execution (date)
   START_ZEIT =  "Earliest scheduled start: Execution (time)

.

Customer Function user exits

Below is a list of CUSTOMER FUNCTION exit user exits that are available within this program and maybe relevant for this FM.
EXIT_SAPLNWGR_001 Network Maintenance: Fill Nodes with Other Information
EXIT_SAPLNWGR_002 Network Maintenance: Fill DIN field in Legend with Other Information
EXIT_SAPLNWGR_004 PS Info System: Fill Nodes in Network/Hierarchy and Structure with Info

IMPORTING Parameters details for NW_GR_CALC_DATES

ARBID - Object ID of the resource

Data type: AFVGD-ARBID
Optional: No
Call by Reference: No ( called with pass by value option)

BEGINN - SAP Graphics: Seconds since 30.12.1899

Data type: GGAEL-BEG
Optional: No
Call by Reference: No ( called with pass by value option)

DAUER - SAP Graphics: Seconds since 30.12.1899

Data type: GGAEL-DUR
Optional: No
Call by Reference: No ( called with pass by value option)

EINHEIT - Normal duration/unit

Data type: AFVGD-DAUNE
Optional: No
Call by Reference: No ( called with pass by value option)

KALID - Factory Calendar

Data type: AFVGD-KALID
Optional: No
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for NW_GR_CALC_DATES

DAUER_OPR - Normal duration of the activity

Data type: AFVGD-DAUNO
Optional: No
Call by Reference: No ( called with pass by value option)

ENDE_DATUM - Earliest scheduled start: Execution (date)

Data type: AFVGD-FSAVD
Optional: No
Call by Reference: No ( called with pass by value option)

ENDE_ZEIT - Earliest scheduled start: Execution (time)

Data type: AFVGD-FSAVZ
Optional: No
Call by Reference: No ( called with pass by value option)

START_DATUM - Earliest scheduled start: Execution (date)

Data type: AFVGD-FSAVD
Optional: No
Call by Reference: No ( called with pass by value option)

START_ZEIT - Earliest scheduled start: Execution (time)

Data type: AFVGD-FSAVZ
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for NW_GR_CALC_DATES 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.

ABAP code using 7.40 inline data declarations to call FM NW_GR_CALC_DATES

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.

Search for further information about these or an SAP related objects