Well, 12:00 is AM so it would be the end.
Technically, there is no 12:00 AM. The clock begins at 0:00 AM and ends at 23:59:59.99 (PM).
Christmas Midnight would therefore be the start of Christmas Day, just as midnight New Years represents the start of the new year.
Christmas Eve is the usual answer given --- however, when pressed to give "What hour?", most will respond with Midnight. But wait ... midnight is technically 12:00 am, and that is the first moment of the new day, which in this case is Christmas Day, or simply Christmas. (24 hour time also refers to midnight as 00:00 hours, the beginning of a full 24 hour day.)
Midnight is generally associated with the beginning of the day that follows it. For example, if it is currently midnight, it is considered the beginning of the new day, not the end of the previous day.
At midnight Christmas day
They open their gifts on Christmas Day at Midnight. they open their gifts on Christmas day either at midnight or when they wake up in the morning
The Pope has allowed priests to celebrate three Masses on Christmas Day, the first Mass is at midnight, then one at dawn, and one during the day. The Mass at midnight is the very first Mass of Christmas.
midnight
When a contract expires at midnight, it means the end of the last day of the contract.
The first of the three Masses on Christmas day.
The Ghost of Christmas Present only lives until midnight because he is a representation of the current Christmas day. Once the day ends at midnight, his time is up, and he must depart as his purpose has been fulfilled. This limitation emphasizes the transient nature of the present and the importance of making the most of the time we have.
Beginning the day after Thanksgiving, holiday shopping hours for Office Max are from 6 AM to 12 midnight. This includes Black Friday and Christmas Eve.
Christmas Eve and Christmas day. Religious people go on both nights. There are also early morning liturgies.
Right after midnight on Christmas day!....It is so cool!!!