{"id":"vidhyamitra:city-day:san-francisco:2026-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/san-francisco/2026-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-02-07","date_display":"February 7, 2026 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2026,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461078.770833,"kali_year":5127,"ahargana":1872613.2708,"sun":{"sidereal_longitude":294.0383,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":176.8028,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.7645,"elapsed_within_tithi_degrees":2.7645},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.8028,"elapsed_within_degrees":3.4695},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.8411},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2026,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461078.770833,"ahargana":1872613.2708,"kali_year":5127,"ayanamsa_lahiri":24.2176,"grahas":{"sun":{"sidereal_longitude":294.04504999999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":176.55205,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":-2.6979},"mars":{"sidereal_longitude":286.84735,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":305.57025,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":82.35265000000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":301.1876500000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":335.12435000000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":319.9373,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":139.9373,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2026,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461078.770833,"kali_year":5127,"ahargana":1872613.2708,"sun":{"sidereal_longitude":294.0383,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":176.8028,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.7645,"elapsed_within_tithi_degrees":2.7645},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.8028,"elapsed_within_degrees":3.4695},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.8411},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.698,"elongation":117.235},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.698,"opposition_distance":62.765}},"eclipse_window_40days":[]},"city":{"slug":"san-francisco","name":"San Francisco Bay Area, USA","lat":37.7749,"lon":-122.4194,"tz_offset_hours":-8,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"san-francisco","name":"San Francisco Bay Area, USA","lat":37.7749,"lon":-122.4194,"tz_offset_hours":-8,"country":"US","tier":"diaspora"},"sunriseLocal":"07:09","sunsetLocal":"17:39","solarNoonLocal":"12:24","dayLengthHours":10.510690487376344,"dayLengthDisplay":"10 Hours 30 Mins 38 Secs","nightLengthDisplay":"13 Hours 29 Mins 22 Secs","moonriseLocal":"22:56","moonsetLocal":"10:12","rahuKala":{"name":"Rāhu Kāla","start":"09:46","end":"11:05","startHours":9.773248253312023,"endHours":11.087084564234067,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:43","end":"15:02","startHours":13.714757186078153,"endHours":15.028593497000195,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:09","end":"08:28","startHours":7.1455756314679375,"endHours":8.45941194238998,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.598070078522419,"endHours":9.94842642810163,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.583521068441952,"endHours":7.863806148105321,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:45","startHours":12.050564525576899,"endHours":12.751277224735322,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:27","startHours":5.744150233151092,"endHours":6.444862932309515,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:09","startHours":6.269684757519909,"endHours":7.1455756314679375,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:51","startHours":14.152702623052168,"endHours":14.85341532221059,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.456266118844283,"endHours":17.85626611884428,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:06","startHours":17.656266118844282,"endHours":18.094211555818298,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.406266118844282,"endHours":19.156266118844282,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:45","startHours":24.0505645255769,"endHours":24.751277224735322,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:09","end":"08:28","startHours":7.1455756314679375,"endHours":8.45941194238998,"quality":"inauspicious"},{"name":"Śubha","start":"08:28","end":"09:46","startHours":8.45941194238998,"endHours":9.773248253312023,"quality":"auspicious"},{"name":"Roga","start":"09:46","end":"11:05","startHours":9.773248253312023,"endHours":11.087084564234067,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:24","startHours":11.087084564234067,"endHours":12.40092087515611,"quality":"inauspicious"},{"name":"Chala","start":"12:24","end":"13:43","startHours":12.40092087515611,"endHours":13.714757186078153,"quality":"neutral"},{"name":"Labha","start":"13:43","end":"15:02","startHours":13.714757186078153,"endHours":15.028593497000195,"quality":"auspicious"},{"name":"Amṛta","start":"15:02","end":"16:21","startHours":15.028593497000195,"endHours":16.34242980792224,"quality":"auspicious"},{"name":"Kāla","start":"16:21","end":"17:39","startHours":16.34242980792224,"endHours":17.656266118844282,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:39","end":"19:21","startHours":17.656266118844282,"endHours":19.34242980792224,"quality":"auspicious"},{"name":"Amṛta","start":"19:21","end":"21:02","startHours":19.34242980792224,"endHours":21.028593497000195,"quality":"auspicious"},{"name":"Kāla","start":"21:02","end":"22:43","startHours":21.028593497000195,"endHours":22.714757186078153,"quality":"inauspicious"},{"name":"Śubha","start":"22:43","end":"00:24","startHours":22.714757186078153,"endHours":24.40092087515611,"quality":"auspicious"},{"name":"Roga","start":"00:24","end":"02:05","startHours":24.40092087515611,"endHours":26.08708456423407,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:46","startHours":26.08708456423407,"endHours":27.773248253312026,"quality":"inauspicious"},{"name":"Chala","start":"03:46","end":"05:28","startHours":27.773248253312026,"endHours":29.45941194238998,"quality":"neutral"},{"name":"Labha","start":"05:28","end":"07:09","startHours":29.45941194238998,"endHours":31.14557563146794,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.1455756314679375,"endHours":8.145575631467938,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.145575631467938,"endHours":9.145575631467938,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.145575631467938,"endHours":10.145575631467938,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.145575631467938,"endHours":11.145575631467938,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.145575631467938,"endHours":12.145575631467938,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.145575631467938,"endHours":13.145575631467938,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.145575631467938,"endHours":14.145575631467938,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.145575631467938,"endHours":15.145575631467938,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.145575631467938,"endHours":16.14557563146794,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.14557563146794,"endHours":17.14557563146794,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.14557563146794,"endHours":18.14557563146794,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.14557563146794,"endHours":19.14557563146794,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.14557563146794,"endHours":20.14557563146794,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.14557563146794,"endHours":21.14557563146794,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.14557563146794,"endHours":22.14557563146794,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.14557563146794,"endHours":23.14557563146794,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.14557563146794,"endHours":24.14557563146794,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.14557563146794,"endHours":25.14557563146794,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.14557563146794,"endHours":26.14557563146794,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.14557563146794,"endHours":27.14557563146794,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.14557563146794,"endHours":28.14557563146794,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.14557563146794,"endHours":29.14557563146794,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.14557563146794,"endHours":30.14557563146794,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.14557563146794,"endHours":31.14557563146794,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.353716421485553,"eotMinutes":-14.37765250936663,"ayanamsa":24.2176}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Ṣaṣṭhī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"san-francisco"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 7, 2026 CE · San Francisco Bay Area, USA · Vidhyamitra","description":"February 7, 2026 CE for San Francisco Bay Area, USA: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:09, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/san-francisco/2026-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/san-francisco/2026-02-07","sa":"https://sa.vidhyamitra.com/city/san-francisco/2026-02-07","hi":"https://hi.vidhyamitra.com/city/san-francisco/2026-02-07","x-default":"https://vidhyamitra.com/city/san-francisco/2026-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-21T21:08:18.591Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-08-21T21:08:18.591Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-21T21:08:18.591Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}