UTC+1
Coordinated Universal Time + 1 hour
Monday, April 19, 2021
| Los Angeles | −8 hours | −8 hours |
| Chicago | −6 hours | −6 hours |
| New York | −5 hours | −5 hours |
| Toronto | −5 hours | −5 hours |
| São Paulo | −4 hours | −4 hours |
| UTC | −1 hours | −1 hours |
| Lagos | 0 | |
| London | 0 | |
| Cairo | +1 hours | |
| Johannesburg | +1 hours | |
| Paris | +1 hours | |
| Zurich | +1 hours | |
| Istanbul | +2 hours | |
| Moscow | +2 hours | |
| Dubai | +3 hours | |
| Mumbai | +4.5 hours | |
| Hong Kong | +7 hours | |
| Shanghai | +7 hours | |
| Singapore | +7 hours | |
| Tokyo | +8 hours | |
| Sydney | +9 hours |