General specification

Now

Data from the current hour.

Most

Most recently stored data.

Absolute Time

hh

Single hour (hh) in GMT.

hhx

Single hour (hh) using local time. Set x to "a" for AM or "p" for PM.

hh:mmx

Single hour (hh) and associated minutes (mm) in local time. Set x to "a" for AM or "p" for PM.

YYMMDDhhmm

Year (YY), month (MM), day (DD), hour (hh), and minutes (mm) in local time.

YYMMDDhhmmZ

Year (YY), month (MM), day (DD), hour (hh), and minutes (mm) in GMT.

Relative Time

-hh

Number of hours ago (1 to 999) from the current time.

-hh:mm

Number of hours and minutes ago from the current time.

Absolute Time Range

ss-ff

Range of hours in GMT time where ss is the starting hour and ff is the ending hour.

ssx-ffx

Range of hours in local time where ss is the starting hour and ff is the ending hour. Set x to "a" for AM or "p" for PM.

Relative Time Range

hh-

The last hh hours from the current time.

Absolute Time Range

n - m

A range of time starting with hour n and ending with hour m . Both hour specifications are, by default, local 24-hour time and can be any number 1 through 24. If either hour specification is accompanied by the suffix a, p, or z, that specification is subject to the same interpretation provided above for format na, np, and nz.