| Information | |
|---|---|
| Name | Cao |
| Postal Code | 475313 |
| Townships | Mengzhai (孟寨乡) |
| Counties | Lankao |
| Prefecture cities | Kaifeng |
| Provinces | Henan (河南省) |
| Place Type | town | Language | ZH | HASC |
| Daylight Saving Time | NOT APPLICABLE |
| Local Date |
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| Local Time |
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