Throughout the world, นัดเดือน (นัดเดือน 
) is a very rare predominantly feminine, but very infrequently boy's first name. The first name นัดเดือน is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare principally feminine, but very seldom boy's name.
| VARIANT | COUNTRY |
|---|---|
| นัดเดือน | Thailand |