Revert " maybe it is reason"

This reverts commit a646d1ab2e95a064919e4249e78fb1aeb73c9851.
Revert " test commit about date"

This reverts commit d289e70305f5c6fc80d5ff7efd26f1b40749b1f1.
Revert "Add center clock (1/2)"

This reverts commit ff9d72d4e6a8a38f1483b9f186ed6d3fff7324e9.