LEADER 01896nam 2200385Ka 450 001 9910690716903321 005 20221206072754.0 035 $a(CKB)5470000002341158 035 $a(OCoLC)43778858 035 9 $aocm43778858 035 $a(OCoLC)995470000002341158 035 $a(EXLCZ)995470000002341158 100 $a20000405g20009999 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 04$aThe Official U.S. time$b[electronic resource] 210 $a[Boulder, Colo.] $cNational Institute of Standards and Technology, Physics Laboratory, Time and Frequency Division ;$aWashington, D.C. $cU.S. Naval Observatory$d2000- 300 $aTitle from title screen. 330 $aA "clickable" time zone map of the United States takes the user to another screen that shows the correct time for states in that time zone. The "time exhibits" link takes the user to government and non-government sites showing various ways time has been measured over the centuries. These sites include: A walk through time (history of timekeeping); Calendars through the ages (with information on days, weeks, months, and years); Daylight saving time; ClockWorks (shows clock mechanisms); It's about time (advances in timekeeping accuracy and atomic clocks); and the Quartz Watch (inside the wristwatch). 517 3 $aOfficial United States time 606 $aAtomic clocks 606 $aClocks and watches 606 $aTime$xSystems and standards$zUnited States 608 $aCalendars.$2lcgft 615 0$aAtomic clocks. 615 0$aClocks and watches. 615 0$aTime$xSystems and standards 712 02$aPhysics Laboratory (U.S.).$bTime and Frequency Division. 712 02$aUnited States Naval Observatory. 906 $aBOOK 912 $a9910690716903321 996 $aThe Official U.S. time$93425891 997 $aUNINA LEADER 00935nam0-2200313 --450 001 9910990994403321 005 20250409134126.0 010 $a9791256220229 020 $aIT$b2024-7998 100 $a20250409d2024----kmuy0itay5050 ba 101 1 $aita$ceng 102 $aIT 105 $aa 001yy 200 1 $a<>pił antiche storie del mondo$emiti ed epopee di remote civiltą$fTheodor H. Gaster 210 $aMilano$cJouvence$d2024 215 $a244 p.$cill.$d21 cm 225 1 $aSophia$v45 300 $aTrad. di Nicoletta Coppini 610 0 $aMitologia mesopotamica 676 $a299.21$v23$zita 700 1$aGaster,$bTheodor Herzl$f<1906-1992>$0187133 702 1$aCoppini,$bNicoletta 801 0$aIT$bUNINA$gREICAT$2UNIMARC 901 $aBK 912 $a9910990994403321 952 $aCOLLEZ. 3451 (45)$b1048/2025$fFSPBC 959 $aFSPBC 996 $aPił antiche storie del mondo$9556418 997 $aUNINA