I used a hyperlink from the site...which linked to a TYCHO site...yes the ANNA TYCHO family and museum down Ethiopia Street, Jerusalem - came to mind immediately...here is teh URL:

http://tycho.usno.navy.mil/vphase.html

...I then thought about 13th MAY from the OSCAR WILDE novel and just 'knew' to try it out in the 'cycles of the moon' calculator upon the already fixed coordinates of 1998/universal time and got a 'predictable' result: