portal.y57.net

datetime

1. https://firebase.google.com/docs/reference/android/com/google/firebase/ml/vision/barcode/FirebaseVisionBarcode.CalendarDateTime
2. https://firebase.google.com/docs/reference/kotlin/com/google/firebase/dataconnect/serializers/KotlinxDatetimeLocalDateSerializer
3. https://www.loc.gov/standards/datetime/
4. https://www.w3.org/TR/NOTE-datetime
5. https://schema.org/DateTime
6. http://www.w3.org/TR/NOTE-datetime