Astronomical observations Vĩnh Yên (Vietnam)
| Sunrise | 06 h 07 am |
|---|---|
| Transition hour | 11 h 41 am |
| Sunset | 05 h 16 pm |
| Starting of civil twilight | 05 h 44 am |
| Termination of civil twilight | 05 h 39 pm |
| Duration of sunshine | 11 h 08 |
| Sunrise | 10 h 16 am |
|---|---|
| Sunset | 09 h 12 pm |
| Fraction illuminated | 17 % (premier croissant) |