307 Hours, Etc. (R)

First indicator–Display constant controller
# No information provided
8 No display constant generated
Second indicator
# Undefined
Subfields
a Hours (NR)
b Additional information (NR)
6 Linkage (NR)
Description/Instructions
Field 307 contains chronological information identifying the days and/or times an item is available or accessible. It is used primarily in records for electronic services. Field 307 is not appropriate in most serial records.

When displayed or printed as a note, hours, etc. information is in some instances preceded by an introductory term or phrase that is generated based on the first indicator value.
Display Constant

Hours
Editing instructions
Punctuation
1. Add a period at the end of the field, unless another mark of punctuation is present.
2. In subfield $a, use a comma (,) to separate the hours information from the days of the week information.
3. If subfield $a is followed by a subfield $b, separate by using a semicolon (;).
Abbreviations
1. For records in English, the following abbreviations may be used for the days of the week:

Days of the week
Abbreviation
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Su
M
Tu
W
Th
F
Sa

First Indictor - Display constant controller
The first indicator position contains a value that controls the generation of a display constant preceding the note. Value "#" specifies that no information is provided. When no information is provided, the display constant Hours: may be generated.
307 ## M-F, 9:30am-3:30pm, USA EST.
Value 8 specifies that no display constant is to be generated.
307 8# Date: Dec. 1, 1993, 2:00 p.m.
Subfields

$a Hours.
Subfield $a contains information that identifies the days and/or hours an item is available or accessible. Informal references to the A.M. and P.M. time references and well as time zone can be given in this subfield if required.
307 ## M-F, 9AM-10PM.
307 ## Tu-F, 10-6; Sa, 1-5, USA PST.
307 ## M, 8:30-6:00; Tu, 8:30-7:00; W-F, 8:30-6:00; b but not available on weekends.
307 8# 8:00 p.m., Tu-F; 5:00 and 9:00 p.m., Sa; 2:00 and 7:00 p.m., Su (all times, EST).
$b Additional information.
Subfield $b contains additional information pertaining to the hours of availability of the item.
307 ## M-F, 6:30am-9:00pm (EST); $b with brief interruptions for periodic update/backup of data.
307 ## Daily, 7am-7pm; $b text files only.
307 ## M-F, 6:30 AM to 9:30 PM, Sa, 8:00 AM to 5:00 PM, Su, 1:00 PM to 5:00 PM; $b closed on national holidays (all times are EST or ESDT).
$6 Linkage.
For instructions on the use of subfield $6, see Field 880.
Related fields, etc.

856