Announcement Date stay in english

Hi, i need to know why the date of the announcement stay in english, if i put french language the translation was not done. For my needs all my costumers are in FRENCH

i have look the LANG file and the Date is not translated, it is possible to

$_LANG['day1'] = "Monday";

$_LANG['day2'] = "Tuesday";

$_LANG['day3'] = "Wednesday";

and

$_LANG['month1'] = "January";

$_LANG['month2'] = "February";

Thank you

I can confirm this feature is now completed for WHMCS version 7.5: https://requests.whmcs.com/topic/make-dates-on-announcements-translatable