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Respondent's date of birth, in century months (Solar Hiji calendar)

DOBCMC_AF is a 4-digit variable.


Like DOBCMC (V011), DOBCMC_AF reports the century month code (CMC) for the woman's date of birth. However, DOBCMC_AF is country-specific to Afghanistan, as the data are recorded using the Solar Hijri calendar. For most other countries, the CMC data for the woman's date of birth are recorded using the Gregorian calendar. On average, there is a 621 or 622 year gap between the Solar Hijri calendar and the Gregorian calendar.

For detailed information on the calculation and interpretation of CMC codes, see DOBCMC (V011).


DOBCMC_AF has no comparability problems.

Comparability - Standard DHS

While a standard recode variable reporting the CMC of the woman's date of birth is included in every phase of the DHS data, DOBCMC_AF is country-specific to Afghanistan.


  • Afghanistan 2015: Ever-married women age 15-49.
  • Afghanistan: 2015-C, 2015-W, 2015-B, 2015-W