---
test case: 2020-09-01 12:00:00 +03:00 - 1h
in:
  timezone: :Europe/Riga
  time: 2020-09-01 12:00:00 +03:00
  param: 1h
out:
  time: 2020-09-01 11:00:00 +03:00
---
test case: 2020-09-01 12:00:00 +03:00 - 12h
in:
  timezone: :Europe/Riga
  time: 2020-09-01 12:00:00 +03:00
  param: 12h
out:
  time: 2020-09-01 00:00:00 +03:00
---
test case: 2020-09-01 12:00:00 +03:00 - 13h
in:
  timezone: :Europe/Riga
  time: 2020-09-01 12:00:00 +03:00
  param: 13h
out:
  time: 2020-08-31 23:00:00 +03:00
---
test case: 2020-03-01 12:00:00 +02:00 - 24h
in:
  timezone: :Europe/Riga
  time: 2020-03-01 12:00:00 +02:00
  param: 24h
out:
  time: 2020-02-29 12:00:00 +02:00
---
test case: 2020-03-02 00:00:00 +02:00 - 24h
in:
  timezone: :Europe/Riga
  time: 2020-03-02 00:00:00 +02:00
  param: 24h
out:
  time: 2020-03-01 00:00:00 +02:00
---
test case: 2020-09-01 12:00:00 +03:00 - 720h
in:
  timezone: :Europe/Riga
  time: 2020-09-01 12:00:00 +03:00
  param: 720h
out:
  time: 2020-08-02 12:00:00 +03:00
---
test case: 2019-09-01 00:00:00 +03:00 - 8760h
in:
  timezone: :Europe/Riga
  time: 2019-09-01 00:00:00 +03:00
  param: 8760h
out:
  time: 2018-09-01 00:00:00 +03:00
---
test case: 2020-09-01 00:00:00 +03:00 - 8784h
in:
  timezone: :Europe/Riga
  time: 2020-09-01 00:00:00 +03:00
  param: 8784h
out:
  time: 2019-09-01 00:00:00 +03:00
---
test case: 2020-10-25 12:00:00 +02:00 - 24h
in:
  timezone: :Europe/Riga
  time: 2020-10-25 12:00:00 +02:00
  param: 24h
out:
  time: 2020-10-24 12:00:00 +03:00
---
test case: 2020-10-25 03:00:00 +02:00 - 1h
in:
  timezone: :Europe/Riga
  time: 2020-10-25 03:00:00 +02:00
  param: 1h
out:
  time: 2020-10-25 02:00:00 +03:00
---
test case: 2020-03-29 12:00:00 +03:00 - 24h
in:
  timezone: :Europe/Riga
  time: 2020-03-29 12:00:00 +03:00
  param: 24h
out:
  time: 2020-03-28 12:00:00 +02:00
---
test case: 2020-03-29 03:00:00 +03:00 - 1h
in:
  timezone: :Europe/Riga
  time: 2020-03-29 04:00:00 +03:00
  param: 1h
out:
  time: 2020-03-29 03:00:00 +02:00
---
test case: 2020-09-02 00:00:00 +03:00 - 1d
in:
  timezone: :Europe/Riga
  time: 2020-09-02 00:00:00 +03:00
  param: 1d
out:
  time: 2020-09-01 00:00:00 +03:00
---
test case: 2020-09-30 00:00:00 +03:00 - 10d
in:
  timezone: :Europe/Riga
  time: 2020-09-30 00:00:00 +03:00
  param: 10d
out:
  time: 2020-09-20 00:00:00 +03:00
---
test case: 2020-10-26 00:00:00 +02:00 - 1d
in:
  timezone: :Europe/Riga
  time: 2020-10-26 00:00:00 +02:00
  param: 1d
out:
  time: 2020-10-25 00:00:00 +03:00
---
test case: 2020-09-01 00:00:00 +03:00 - 366d
in:
  timezone: :Europe/Riga
  time: 2020-09-01 00:00:00 +03:00
  param: 366d
out:
  time: 2019-09-01 00:00:00 +03:00
---
test case: 2019-09-01 00:00:00 +03:00 - 365d
in:
  timezone: :Europe/Riga
  time: 2019-09-01 00:00:00 +03:00
  param: 365d
out:
  time: 2018-09-01 00:00:00 +03:00
---
test case: 2020-09-10 00:00:00 +03:00 - 1w
in:
  timezone: :Europe/Riga
  time: 2020-09-10 00:00:00 +03:00
  param: 1w
out:
  time: 2020-09-03 00:00:00 +03:00
---
test case: 2020-09-01 00:00:00 +03:00 - 1M
in:
  timezone: :Europe/Riga
  time: 2020-09-01 00:00:00 +03:00
  param: 1M
out:
  time: 2020-08-01 00:00:00 +03:00
---
test case: 2020-09-01 00:00:00 +03:00 - 2M
in:
  timezone: :Europe/Riga
  time: 2020-09-01 00:00:00 +03:00
  param: 2M
out:
  time: 2020-07-01 00:00:00 +03:00
---
test case: 2020-09-01 00:00:00 +03:00 - 1y
in:
  timezone: :Europe/Riga
  time: 2020-09-01 00:00:00 +03:00
  param: 1y
out:
  time: 2019-09-01 00:00:00 +03:00
---
test case: 2020-01-01 00:00:00 +02:00 - 1h
in:
  timezone: :Europe/Riga
  time: 2020-01-01 00:00:00 +02:00
  param: 1h
out:
  time: 2019-12-31 23:00:00 +02:00
---
test case: 2020-09-01 12:00:00 +03:00 - 1m
in:
  timezone: :Europe/Riga
  time: 2020-09-01 12:00:00 +03:00
  param: 1m
out:
  time: 2020-09-01 11:59:00 +03:00
---
test case: 2020-10-25 03:00:00 +02:00 - 1m
in:
  timezone: :Europe/Riga
  time: 2020-10-25 03:00:00 +02:00
  param: 1m
out:
  time: 2020-10-25 02:59:00 +03:00
---
test case: 2020-09-01 12:00:00 +03:00 - 1s
in:
  timezone: :Europe/Riga
  time: 2020-09-01 12:00:00 +03:00
  param: 1s
out:
  time: 2020-09-01 11:59:59 +03:00
---
test case: 2020-10-25 03:00:00 +02:00 - 1s
in:
  timezone: :Europe/Riga
  time: 2020-10-25 03:00:00 +02:00
  param: 1s
out:
  time: 2020-10-25 02:59:59 +03:00
---
test case: 2021-11-09 03:00:00 +02:00 - 1i
in:
  timezone: :Europe/Riga
  time: 2021-11-09 03:00:00 +02:00
  param: 1i
out:
  time: 2020-11-03 03:00:00 +02:00
---
test case: 2020-12-30 03:00:00 +02:00 - 1i
in:
  timezone: :Europe/Riga
  time: 2020-12-30 03:00:00 +02:00
  param: 1i
out:
  time: 2019-12-25 03:00:00 +02:00
---
test case: 2021-01-04 03:00:00 +02:00 - 1i
in:
  timezone: :Europe/Riga
  time: 2021-01-04 03:00:00 +02:00
  param: 1i
out:
  time: 2019-12-30 03:00:00 +02:00
---
test case: 2021-03-31 03:00:00 +03:00 - 1M
in:
  timezone: :Europe/Riga
  time: 2021-03-31 03:00:00 +03:00
  param: 1M
out:
  time: 2021-02-28 03:00:00 +02:00
---
test case: 2021-03-31 03:00:00 +03:00 - 13M
in:
  timezone: :Europe/Riga
  time: 2021-03-31 03:00:00 +03:00
  param: 13M
out:
  time: 2020-02-29 03:00:00 +02:00
---
test case: 2020-02-29 03:00:00 +03:00 - 1y
in:
  timezone: :Europe/Riga
  time: 2020-02-29 03:00:00 +02:00
  param: 1y
out:
  time: 2019-02-28 03:00:00 +02:00
...