Use standard library timezone instead of FixedOffsetTimezone
#370
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| 15s | |
| 1m 7s | |
| 52s | |
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| 1m 7s | |
| 51s | |
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| 1s | |
| 51s | |
| 1m 9s | |
| 1m 10s | |
| 1m 3s | |
| 52s | |
| 1m 8s | |
| 34s | |
| 0s | |
| 21m 8s |