A ''winal'' (), ''uinal'' is a unit of time in the
Maya Long Count calendar equal to 20 days (or ''
kʼin
A Kʼin () is a part of the ancient Maya Long Count Calendar system which corresponds to one day. It is the smallest unit of Maya time to be counted as part of the long count and it usually appears as the last glyph
A glyph () is any kind ...
''). It is the 4th digit on the Maya Long Count date.
For example, in the Maya Long Count date 12.19.13.15.12 (December 5, 2006), the number 15 is the ''winal''.
References
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Maya calendars
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