alamb commented on issue #10602:
URL: https://github.com/apache/datafusion/issues/10602#issuecomment-2122959190
Given the statement in the description, here is the best I can come up with
using `arrow_cast`
```sql
-- Times in brussels
WITH t_brussels
AS (
SELECT
column1 AT TIME ZONE 'Europe/Brussels' as ts -- timestamp in specified
timezone
FROM t_utc
)
SELECT
ts as "time in Brussels",
date_bin(
interval '1 day',
arrow_cast(ts, 'Timestamp(Nanosecond, None)'),
'2020-01-01T00:00:00Z'::timestamp
) as date_bin
FROM
t_brussels;
+---------------------------+---------------------+
| time in Brussels | date_bin |
+---------------------------+---------------------+
| 2024-04-30T23:30:00+02:00 | 2024-04-30T00:00:00 |
| 2024-05-01T00:30:00+02:00 | 2024-04-30T00:00:00 |
| 2024-05-01T01:30:00+02:00 | 2024-04-30T00:00:00 |
| 2024-05-01T02:00:00+02:00 | 2024-05-01T00:00:00 |
| 2024-05-01T02:30:00+02:00 | 2024-05-01T00:00:00 |
| 2024-05-01T12:30:00+02:00 | 2024-05-01T00:00:00 |
| 2024-05-01T22:30:00+02:00 | 2024-05-01T00:00:00 |
+---------------------------+---------------------+
7 row(s) fetched.
Elapsed 0.004 seconds.
```
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