.. index:: single: ccsds_ccs(CalendarVariant,FractionOctets)
.. _ccsds_ccs/2:

.. rst-class:: right

**object**

``ccsds_ccs(CalendarVariant,FractionOctets)``
=============================================

* ``CalendarVariant`` - Calendar representation. Supported values are ``calendar`` and ``day_of_year``.
* ``FractionOctets`` - Number of BCD fraction octets. Supported values are non-negative integers.


CCSDS calendar segmented time code parser and generator.

| **Availability:** 
|    ``logtalk_load(ccsds_time_codes(loader))``

| **Author:** Paulo Moura
| **Version:** 1:0:0
| **Date:** 2026-05-08

| **Compilation flags:**
|    ``static, context_switching_calls``


| **Implements:**
|    ``public`` :ref:`ccsds_time_code_protocol <ccsds_time_code_protocol/0>`
| **Uses:**
|    :ref:`reader <reader/0>`
|    :ref:`type <type/0>`

| **Remarks:**
|    (none)

| **Inherited public predicates:**
|     :ref:`ccsds_time_code_protocol/0::epoch/1`  :ref:`ccsds_time_code_protocol/0::format/1`  :ref:`ccsds_time_code_protocol/0::from_unix_seconds/2`  :ref:`ccsds_time_code_protocol/0::generate/2`  :ref:`ccsds_time_code_protocol/0::generate/3`  :ref:`ccsds_time_code_protocol/0::parse/2`  :ref:`ccsds_time_code_protocol/0::unix_seconds/2`  :ref:`ccsds_time_code_protocol/0::valid/1`  

.. contents::
   :local:
   :backlinks: top

Public predicates
-----------------

.. index:: year/2
.. _ccsds_ccs/2::year/2:

``year/2``
^^^^^^^^^^

Extracts the year value from a CCS time term.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``year(TimeCode,Year)``
| **Mode and number of proofs:**
|    ``year(+compound,-integer)`` - ``one``


------------

.. index:: day_of_year/2
.. _ccsds_ccs/2::day_of_year/2:

``day_of_year/2``
^^^^^^^^^^^^^^^^^

Extracts the day of year from an ordinal CCS time term.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``day_of_year(TimeCode,DayOfYear)``
| **Mode and number of proofs:**
|    ``day_of_year(+compound,-integer)`` - ``zero_or_one``


------------

.. index:: month/2
.. _ccsds_ccs/2::month/2:

``month/2``
^^^^^^^^^^^

Extracts the month from a calendar CCS time term.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``month(TimeCode,Month)``
| **Mode and number of proofs:**
|    ``month(+compound,-integer)`` - ``zero_or_one``


------------

.. index:: day/2
.. _ccsds_ccs/2::day/2:

``day/2``
^^^^^^^^^

Extracts the day of month from a calendar CCS time term.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``day(TimeCode,Day)``
| **Mode and number of proofs:**
|    ``day(+compound,-integer)`` - ``zero_or_one``


------------

.. index:: time_of_day/4
.. _ccsds_ccs/2::time_of_day/4:

``time_of_day/4``
^^^^^^^^^^^^^^^^^

Extracts the hour, minute, and seconds-with-fraction from a CCS time term.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``time_of_day(TimeCode,Hour,Minute,Seconds)``
| **Mode and number of proofs:**
|    ``time_of_day(+compound,-integer,-integer,-number)`` - ``one``


------------

Protected predicates
--------------------

(no local declarations; see entity ancestors if any)

Private predicates
------------------

(no local declarations; see entity ancestors if any)

Operators
---------

(none)