republic-os/legislation/us/states/ca/20172018/ab-807.md

---
type: "Bill"
title: "Daylight saving time."
description: "Existing federal law establishes the standard time of the United States for each of 9 zones and advances the standard time of each zone by one hour during the period commencing at 2 a.m. on the 2nd Sunday of March of each year and ending at 2 a.m. on the first Sunday of November of each year. Existing state law, the Daylight Saving Time Act, which was adopted as an initiative measure by the voters at the November 8, 1949, special election, provides that the standard time within the state is that which is known, described, and designated by federal law as United States Standard Pacific Time. The act also requires, from 1 a.m. on the last Sunday of April, until 2 a.m. on the last Sunday of October, the standard time within the state to be one hour in advance of United States Standard Pacific Time."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 807"
citation: "California AB 807 (20172018)"
classification: ["bill"]
subjects: ["Daylight saving time."]
status: "enacted"
primary_sponsors: ["Chu"]
version_count: 7
action_count: 32
vote_count: 4
first_action: "2017-02-15"
last_action: "2018-06-28"
source: "openstates"
source_identifier: "ocd-bill/56b573d5-12c1-44fb-866f-242091fce258"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB807"
source_hash: "3ec038ffc1a2c9590f1fba66008b1ff4397e57a132a05858534b2582c8280a68"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 807 (20172018) — Daylight saving time.

Existing federal law establishes the standard time of the United States for each of 9 zones and advances the standard time of each zone by one hour during the period commencing at 2 a.m. on the 2nd Sunday of March of each year and ending at 2 a.m. on the first Sunday of November of each year. Existing state law, the Daylight Saving Time Act, which was adopted as an initiative measure by the voters at the November 8, 1949, special election, provides that the standard time within the state is that which is known, described, and designated by federal law as United States Standard Pacific Time. The act also requires, from 1 a.m. on the last Sunday of April, until 2 a.m. on the last Sunday of October, the standard time within the state to be one hour in advance of United States Standard Pacific Time.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/15/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB807&version=20170AB80799INT)
2. **04/03/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB807&version=20170AB80798AMD)
3. **06/28/18 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB807&version=20170AB80794CHP)
4. **07/03/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB807&version=20170AB80797AMD)
5. **07/18/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB807&version=20170AB80796AMD)
6. **AB807** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB807)
7. **06/22/18 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB807&version=20170AB80795ENR)

## Votes

- AB 807 CHU Concurrence in Senate Amendments — **68–6** (pass) · lower
- 3rd Reading AB807 Chu et al. By Wiener — **26–9** (pass) · upper
- Do pass. — **13–3** (pass) · lower
- AB 807 CHU Assembly Third Reading — **62–9** (pass) · lower

## Sponsors

- Chu — primary (person)
- Gonzalez Fletcher — author (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2017-02-15** Read first time. To print. `reading-1`
- **2017-02-16** From printer. May be heard in committee March 18.
- **2017-03-02** Referred to Coms. on G.O. and U. & E. `referral-committee`
- **2017-03-30** From committee: Amend, and do pass as amended and re-refer to Com. on U. & E. (Ayes 17. Noes 2.) (March 29). `amendment-passage, committee-passage, amendment-introduction`
- **2017-04-03** Read second time and amended. `reading-1, amendment-passage, reading-2`
- **2017-04-04** Re-referred to Com. on U. & E. `referral-committee`
- **2017-04-20** From committee: Do pass and re-refer to Com. on APPR. (Ayes 11. Noes 2.) (April 19). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-05-03** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2017-05-26** Coauthors revised.
- **2017-05-26** From committee: Do pass. (Ayes 13. Noes 3.) (May 26). `committee-passage-favorable, committee-passage`
- **2017-05-30** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-06-01** Read third time. Passed. Ordered to the Senate. (Ayes 62. Noes 9. Page 2056.) `reading-3, passage, reading-1`
- **2017-06-05** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2017-06-14** Referred to Com. on E., U. & C. `referral-committee`
- **2017-06-19** In committee: Hearing postponed by committee.
- **2017-06-29** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2017-07-03** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E., U. & C. `amendment-passage, referral-committee, reading-2, reading-1, amendment-introduction`
- **2017-07-17** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 8. Noes 1.) (July 10). `amendment-passage, committee-passage, amendment-introduction`
- **2017-07-18** Read second time and amended. Re-referred to Com. on APPR. `amendment-passage, reading-2, referral-committee, reading-1`
- **2017-08-21** In committee: Referred to APPR. suspense file. `referral-committee`
- **2017-09-01** From committee: Do pass. (Ayes 5. Noes 2.) (September 1). `committee-passage-favorable, committee-passage`
- **2017-09-05** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-09-14** Ordered to inactive file at the request of Senator Allen.
- **2018-05-25** From inactive file.
- **2018-05-25** Ordered to second reading.
- **2018-05-29** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-06-14** Read third time. Passed. Ordered to the Assembly. (Ayes 26. Noes 9. Page 4665.). `reading-3, passage, reading-1`
- **2018-06-14** In Assembly. Concurrence in Senate amendments pending. May be considered on or after June 16 pursuant to Assembly Rule 77.
- **2018-06-21** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 68. Noes 6. Page 5925.). `committee-passage-favorable, amendment-passage`
- **2018-06-26** Enrolled and presented to the Governor at 3 p.m.
- **2018-06-28** Approved by the Governor. `executive-signature`
- **2018-06-28** Chaptered by Secretary of State - Chapter 60, Statutes of 2018.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/56b573d5-12c1-44fb-866f-242091fce258`. Confidence: reported (aggregated from official California legislature records).