Today is:

New style (Gregorian): 5 August 2000
Old style (Julian): 23 July 2000 C.E.
Fixed:
730337 R.D.
Astronomical (at noon):
2451762  j.d.
ISO:
Saturday, Week 31, Year 2000
Coptic:
29 Abib 1716 A.M.
Ethiopic:
29 Hamle 1992 E.E.
Islamic (until sunset):
4 Jumada I 1421 A.H.
Persian:
15 Mordad 1379 A.P.
Baha'i (until sunset):
N'ur Kam'al, B'ab of V'ahib 9, Kull-i-Shay 1 B.E.
Hebrew (until sunset):
4 Av 5760 A.M.
Chinese:
cycle 78, year Geng-chen, month 7, day 6
Hindu Lunar (from sunrise):
6 Sravana 2057 V.E.
Hindu Solar (from sunrise):
20 Karka 1922 S.E.
French:
Decade II, Octidi de Thermidor de l'Annee 208 de la Revolution
Mayan (long count):
12.19.7.7.19