The pro temp is elected by the Senate at the beginning of each Congress. By traditional he serves until his party loses the majority or he leaves the senate. There is no set term for this position.
The person that is known is the vice president.
Daniel Inouye is the President pro tempore of the U.S. Senate.
Senate Majority Leader. He is technically outranked by the President Pro Tempore of the Senate, who is traditionally the most senior member of the majority party in the Senate (and is third in the line of succession after the Vice President and the Speaker of the House). However, the Senate Majority Leader wields much more actual power.
The President Pro-Tempore serves in the Senate. This person presides over the Senate when the Vice-President is not in attendance.
The term "pro tem" means "for a time". The President Pro Tem of the US Senate takes over the chairmanship of the Senate when the Vice President, who normally serves as the President of the Senate (and yes, that is per ordinance of the US Constitution) cannot be present in the Senate during times when the Senate is in session. So it's safe to presume that if there was, anywhere, a "mayor pro tem", then that would mean a person filling in temporarily for a mayor who was not able to be present at that time.
Daniel Inouye from Hawaii is the president pro tempore of the Senate as of 2010.
The person that is known is the vice president.
Daniel Inouye is the President pro tempore of the U.S. Senate.
The Secretary of Defense (as long as they would be eligible to be elected President).
President Pro Tempore of the Senate. The office also existed in the Confederate States of America.
The President Pro Tempore of the Senate is the Vice-President of the United States. One of his jobs in the Senate is to break a possible vote tie.
Senate Majority Leader. He is technically outranked by the President Pro Tempore of the Senate, who is traditionally the most senior member of the majority party in the Senate (and is third in the line of succession after the Vice President and the Speaker of the House). However, the Senate Majority Leader wields much more actual power.
the president pro tempore of the Senate
The Vice President. If he cannot, the speaker of the House does, and if she cannot, the senate Pro Tempore does.
The President Pro-tempore of the Senate.
The President Pro-Tempore serves in the Senate. This person presides over the Senate when the Vice-President is not in attendance.
The term "pro tem" means "for a time". The President Pro Tem of the US Senate takes over the chairmanship of the Senate when the Vice President, who normally serves as the President of the Senate (and yes, that is per ordinance of the US Constitution) cannot be present in the Senate during times when the Senate is in session. So it's safe to presume that if there was, anywhere, a "mayor pro tem", then that would mean a person filling in temporarily for a mayor who was not able to be present at that time.