Ccyy_calendar year including century: c = century; y = year.

Ccyyq-ccyyq_format of period to be given in actual message without hyphen.

Yymmddhhmmzzz_see 201 + z = time zone.

Yywwd_calendar week day: y = year ; w = week ; d = day week number 01 is always first week of january day number 1 is always monday.

Yypyyp_format of period to be given without hyphen (p = period of 4 months).

Ccyy-ccyy_format of period to be given in actual message without hyphen.

Dd_day's number within is a specific month: d = day.

Ccyyww-ccyyww_format of period to be given without hyphen.

Yymmddhhmm_calendar date including time without seconds: y = year; m = month; d = day; h = hour; m = minute.

Cc_century.

Hhmmss_time with seconds: h = hour; m = minute; s = seconds.

Ccyymmdd-ccyymmdd_format of period to be given without hyphen.

Ccyymmddhhmmss_calendar date including time with seconds: c=century;y=year; m=month;d=day;h=hour;m=minute;s=second.

Ww_week's number within a specific year: w = week.

Ccyymmddhhmmsszzz_see 204 plus z=time zone.

Mmdd_day of a month: m = month; d = day.

Hhmmss-hhmmss_format of period to be given without hyphen.

Yyww_week within a calendar year: y = year; w = week 1st week of january = week 01.

Month_to indicate a quantity of months.

Yymmddhhmm-yymmddhhmm_format of period to be given in actual message without hyphen.

Mmddyy_calendar date: m = month; d = day; y = year.

Hour_to indicate a quantity of hours.

Yymmddhhmmss_calendar date including time with seconds: y = year; m = month; d = day; h = hour; m = minutes = seconds.

Semester_to indicate a quantity of semesters (six months).

Hhmmsszzz_see 402 plus z=time zone.

Yymm-yymm_format of period to be given in actual message without hyphen.

Trimester_to indicate a quantity of trimesters (three months).

Yymmddhhmmsszzz_see 202 + z = time zone.

Ccyyp-ccyyp_format of period to be given without hyphen (p = period of 4 months).

Yyddd_calendar day: y = year ; d = day january the first = day 001 always start numbering the days of the year from january 1st through december 31st.

Yys-yys_format of period to be given without hyphen.

Hhmmhhmm_time span without seconds: h = hour; m = minute;.

Ccyymm_month within a calendar year: cc = century; y = year; m = month.

Second_to indicate a quantity of seconds.

Yymm_month within a calendar year: y = year; m = month.

Ccyymmdd-ccyymmdd_format of period to be given in actual message without hyphen.

Ccyys_semester in a calendar year: c = century; y = year; s = semester.

Yys_semester in a calendar year: y = year; s = semester.

Hhmm_time without seconds: h = hour; m = minute.

Mm_month's number within a specific year: m = month.

Ten days_to indicate a quantity of ten days periods.

Ccyymmdd_calendar date: c = century ; y = year ; m = month ; d = day.

Ccyys-ccyys_format of period to be given in actual message without hyphen.

Ddd_day's number within a specific year: d = day.

Yy-yy_format of period to be given in actual message without hyphen.

Hhmmsszzz-hhmmsszzz_format of period to be given without hyphen.

Ccyyww_week within a calendar year: cc = century; y = year; w = week (1st week of january = week 01).

Year_to indicate a quantity of years.

Yymmdd-yymmdd_format of period to be given in actual message without hyphen.

Yymma_format of period to be given without hyphen (a = ten days period).

Day_to indicate a quantity of days.

Ddmmyy_calendar date: d = day; m = month; y = year.

Yy_calendar year: y = year.

Ccyymmddhhmmzzz_see 203 plus z=time zone.

Yymmdd_calendar date: y = year; m = month; d = day.

Yyq-yyq_format of period to be given without hyphen.

Half month_to indicate a quantity of half months.

Ccyymma_format of period to be given without hyphen (a = ten days period).

Week_to indicate a quantity of weeks.

Yyww-yyww_format of period to be given in actual message without hyphen.

Minute_to indicate a quantity of minutes.

Ccyyq_quarter in a calendar year: c = century; y = year; q = quarter.

Ccyymm-ccyymm_format of period to be given in actual message without hyphen.

Four months period_to indicate a quantity of four months periods.

Ccyymmddhhmm_calendar date including time with minutes: c=century; y=year; m=month; d=day; h=hour; m=minutes.