import datetime

# Pacific Daylight Time
pdtDelta = datetime.timedelta(hours=-7)
pdtTZ = datetime.timezone(pdtDelta, name="PDT")

# Pacific Standard Time
pstDelta = datetime.timedelta(hours=-8)
pstTZ = datetime.timezone(pstDelta, name="PST")

# naive datetime
now = datetime.datetime.now()
# with created delta and name
nowPST = now.astimezone(pstTZ)
nowPDT = now.astimezone(pdtTZ)
# with default timezone
nowDefultTZ = now.astimezone()

for name in ['now', 'nowPST', 'nowPDT', 'nowDefultTZ']:
	dt = locals()[name]
	print(f"Time from a datetime {name}")
	print(f"    value:  {dt}")
	print(f"    epoch:  {dt.timestamp()}")
	print(f"    tzname: {dt.tzname()}")
	print(f"    offset: {dt.utcoffset()}")
	print()