  (RTC ˻ GMT ǵ)
  Ȥ RTC (Real Time Clock: ϡɥåȤ
  ƤФޤ)  GMT (˥åʿѻ) λ¸Ƥ
  ϡǤ Y Ƥ RTC 륿
  ¸Ƥ N Ƥ

  ¤ RTC  GMT ˤƤۤǤޡ
  ˤѹ򵤤ˤʤɤǤ RTC  GMT 
  ʤͳȤСȤΥԥ塼 GMT 
  򤷤ʤǤΰ OS Ʊ˻ȤäƤǤ礦

  <, (2.2.2 )>

