Gestion des dates
réf : http://www.w3.org/TR/NOTE-datetime
2 formats possibles :
- SQL : 2005-02-01 01:30:12
- ISO :
- 2005-02-01 => 2005-02-01T00:00:00Z
- 2005-02-01T01:30Z => 2005-02-01T01:30:00Z
- 2005-02-01T02:30+01:00 => 2005-02-01T01:30:00Z
- 2005-02-01T00:30-01:00 => 2005-02-01T01:30:00Z
- 2005-02-01T01:30:12Z => 2005-02-01T01:30:12Z
- 2005-02-01T02:30:12+01:00 => 2005-02-01T01:30:12Z
- 2005-01-31T23:30:12-02:00 => 2005-02-01T01:30:12Z
- 2005-02-01T01:30:12.5Z => 2005-02-01T01:30:12Z
- 2005-02-01T02:30:12.5+01:00 => 2005-02-01T01:30:12Z
- 2005-01-31T23:30:12.5-02:00 => 2005-02-01T01:30:12Z
Toutes les dates sont converties en UTC.
NB : 1 décimale des secondes acceptée mais non utilisée
